diff --git a/agent/alpine/Dockerfile b/agent/alpine/Dockerfile
index ab44fe251..23e99c757 100644
--- a/agent/alpine/Dockerfile
+++ b/agent/alpine/Dockerfile
@@ -4,7 +4,7 @@ ARG APK_FLAGS_COMMON=""
 ARG APK_FLAGS_DEV="${APK_FLAGS_COMMON} --no-cache"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=agent
@@ -48,7 +48,7 @@ ARG APK_FLAGS_COMMON=""
 ARG APK_FLAGS_PERSISTENT="${APK_FLAGS_COMMON} --clean-protected --no-cache"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=agent ZBX_DB_TYPE=none ZBX_OPT_TYPE=none
diff --git a/agent/centos/Dockerfile b/agent/centos/Dockerfile
index 335e19946..841439701 100644
--- a/agent/centos/Dockerfile
+++ b/agent/centos/Dockerfile
@@ -4,7 +4,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_DEV="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=agent
@@ -48,7 +48,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_PERSISTENT="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=agent ZBX_DB_TYPE=none ZBX_OPT_TYPE=none
diff --git a/agent/ubuntu/Dockerfile b/agent/ubuntu/Dockerfile
index 9c028f9b5..37165536a 100644
--- a/agent/ubuntu/Dockerfile
+++ b/agent/ubuntu/Dockerfile
@@ -4,7 +4,7 @@ ARG APT_FLAGS_COMMON="-y"
 ARG APT_FLAGS_DEV="${APT_FLAGS_COMMON} --no-install-recommends"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_ALL=en_US.UTF-8 DEBIAN_FRONTEND=noninteractive TERM=xterm \
     ZBX_TYPE=agent ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
@@ -51,7 +51,7 @@ ARG APT_FLAGS_COMMON="-y"
 ARG APT_FLAGS_PERSISTENT="${APT_FLAGS_COMMON} --no-install-recommends"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_ALL=en_US.UTF-8 DEBIAN_FRONTEND=noninteractive TERM=xterm \
     ZBX_TYPE=agent ZBX_DB_TYPE=none ZBX_OPT_TYPE=none \
diff --git a/java-gateway/alpine/Dockerfile b/java-gateway/alpine/Dockerfile
index 8c671d265..e36eed047 100644
--- a/java-gateway/alpine/Dockerfile
+++ b/java-gateway/alpine/Dockerfile
@@ -35,7 +35,7 @@ RUN addgroup zabbix && \
     rm -rf /var/cache/apk/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/java-gateway/centos/Dockerfile b/java-gateway/centos/Dockerfile
index 5d7d8b132..d7e79f162 100644
--- a/java-gateway/centos/Dockerfile
+++ b/java-gateway/centos/Dockerfile
@@ -4,7 +4,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_DEV="${YUM_FLAGS_COMMON}"
     
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=java-gateway
@@ -44,7 +44,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_PERSISTENT="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=java-gateway ZBX_DB_TYPE=none ZBX_OPT_TYPE=none
diff --git a/java-gateway/ubuntu/Dockerfile b/java-gateway/ubuntu/Dockerfile
index 7c3fe26fa..86c034691 100644
--- a/java-gateway/ubuntu/Dockerfile
+++ b/java-gateway/ubuntu/Dockerfile
@@ -42,7 +42,7 @@ RUN apt-get ${APT_FLAGS_COMMON} update && \
     rm -rf /var/lib/apt/lists/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/proxy-mysql/alpine/Dockerfile b/proxy-mysql/alpine/Dockerfile
index ee7d699fd..d64b51bd6 100644
--- a/proxy-mysql/alpine/Dockerfile
+++ b/proxy-mysql/alpine/Dockerfile
@@ -57,7 +57,7 @@ RUN addgroup zabbix && \
     rm -rf /var/cache/apk/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/proxy-mysql/centos/Dockerfile b/proxy-mysql/centos/Dockerfile
index f4af9c12c..dec482e7d 100644
--- a/proxy-mysql/centos/Dockerfile
+++ b/proxy-mysql/centos/Dockerfile
@@ -4,7 +4,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_DEV="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=proxy ZBX_DB_TYPE=mysql
@@ -64,7 +64,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_PERSISTENT="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm MIBDIRS=/usr/share/snmp/mibs:/var/lib/zabbix/mibs MIBS=+ALL \
     ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
diff --git a/proxy-mysql/ubuntu/Dockerfile b/proxy-mysql/ubuntu/Dockerfile
index b6e41aa87..9024d3004 100644
--- a/proxy-mysql/ubuntu/Dockerfile
+++ b/proxy-mysql/ubuntu/Dockerfile
@@ -65,7 +65,7 @@ RUN apt-get ${APT_FLAGS_COMMON} update && \
     rm -rf /var/lib/apt/lists/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/proxy-sqlite3/alpine/Dockerfile b/proxy-sqlite3/alpine/Dockerfile
index 50eee3e03..03036688a 100644
--- a/proxy-sqlite3/alpine/Dockerfile
+++ b/proxy-sqlite3/alpine/Dockerfile
@@ -55,7 +55,7 @@ RUN addgroup zabbix && \
     rm -rf /var/cache/apk/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/proxy-sqlite3/centos/Dockerfile b/proxy-sqlite3/centos/Dockerfile
index a261a776b..309a7493d 100644
--- a/proxy-sqlite3/centos/Dockerfile
+++ b/proxy-sqlite3/centos/Dockerfile
@@ -4,7 +4,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_DEV="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=proxy ZBX_DB_TYPE=sqlite3
@@ -64,7 +64,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_PERSISTENT="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm MIBDIRS=/usr/share/snmp/mibs:/var/lib/zabbix/mibs MIBS=+ALL \
     ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
diff --git a/proxy-sqlite3/ubuntu/Dockerfile b/proxy-sqlite3/ubuntu/Dockerfile
index a5b572930..09f95bab3 100644
--- a/proxy-sqlite3/ubuntu/Dockerfile
+++ b/proxy-sqlite3/ubuntu/Dockerfile
@@ -62,7 +62,7 @@ RUN apt-get ${APT_FLAGS_COMMON} update && \
     rm -rf /var/lib/apt/lists/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/server-mysql/alpine/Dockerfile b/server-mysql/alpine/Dockerfile
index 4fa2ea822..f99c7329c 100644
--- a/server-mysql/alpine/Dockerfile
+++ b/server-mysql/alpine/Dockerfile
@@ -59,7 +59,7 @@ RUN addgroup zabbix && \
     rm -rf /var/cache/apk/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/server-mysql/centos/Dockerfile b/server-mysql/centos/Dockerfile
index 7063d17b0..1613b9460 100644
--- a/server-mysql/centos/Dockerfile
+++ b/server-mysql/centos/Dockerfile
@@ -4,7 +4,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_DEV="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=server ZBX_DB_TYPE=mysql ZBX_OPT_TYPE=none
@@ -69,7 +69,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_PERSISTENT="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     TERM=xterm MIBDIRS=/usr/share/snmp/mibs:/var/lib/zabbix/mibs MIBS=+ALL \
diff --git a/server-mysql/ubuntu/Dockerfile b/server-mysql/ubuntu/Dockerfile
index 5daaf496f..2c649afd4 100644
--- a/server-mysql/ubuntu/Dockerfile
+++ b/server-mysql/ubuntu/Dockerfile
@@ -67,7 +67,7 @@ RUN apt-get ${APT_FLAGS_COMMON} update && \
     rm -rf /var/lib/apt/lists/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/server-pgsql/alpine/Dockerfile b/server-pgsql/alpine/Dockerfile
index 3dd8d9d91..fcbc15e66 100644
--- a/server-pgsql/alpine/Dockerfile
+++ b/server-pgsql/alpine/Dockerfile
@@ -59,7 +59,7 @@ RUN addgroup zabbix && \
     rm -rf /var/cache/apk/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/server-pgsql/centos/Dockerfile b/server-pgsql/centos/Dockerfile
index 1e5a58e2b..75d438207 100644
--- a/server-pgsql/centos/Dockerfile
+++ b/server-pgsql/centos/Dockerfile
@@ -4,7 +4,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_DEV="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=server ZBX_DB_TYPE=postgresql ZBX_OPT_TYPE=none
@@ -69,7 +69,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_PERSISTENT="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     TERM=xterm MIBDIRS=/usr/share/snmp/mibs:/var/lib/zabbix/mibs MIBS=+ALL \
diff --git a/server-pgsql/ubuntu/Dockerfile b/server-pgsql/ubuntu/Dockerfile
index 02eb6d8ca..ae89c1838 100644
--- a/server-pgsql/ubuntu/Dockerfile
+++ b/server-pgsql/ubuntu/Dockerfile
@@ -67,7 +67,7 @@ RUN apt-get ${APT_FLAGS_COMMON} update && \
     rm -rf /var/lib/apt/lists/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/web-apache-mysql/alpine/Dockerfile b/web-apache-mysql/alpine/Dockerfile
index 74b8efde9..5eacb6551 100644
--- a/web-apache-mysql/alpine/Dockerfile
+++ b/web-apache-mysql/alpine/Dockerfile
@@ -56,7 +56,7 @@ RUN addgroup zabbix && \
     rm -rf /var/cache/apk/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/web-apache-mysql/centos/Dockerfile b/web-apache-mysql/centos/Dockerfile
index a93349bf4..6b2a177cf 100644
--- a/web-apache-mysql/centos/Dockerfile
+++ b/web-apache-mysql/centos/Dockerfile
@@ -4,7 +4,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_DEV="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
@@ -35,7 +35,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_PERSISTENT="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=frontend ZBX_DB_TYPE=mysql ZBX_OPT_TYPE=apache
diff --git a/web-apache-mysql/ubuntu/Dockerfile b/web-apache-mysql/ubuntu/Dockerfile
index 73d9ebeba..a4481d312 100644
--- a/web-apache-mysql/ubuntu/Dockerfile
+++ b/web-apache-mysql/ubuntu/Dockerfile
@@ -54,7 +54,7 @@ RUN apt-get ${APT_FLAGS_COMMON} update && \
     rm -rf /var/lib/apt/lists/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/web-apache-pgsql/alpine/Dockerfile b/web-apache-pgsql/alpine/Dockerfile
index d25312c6b..9cff17ef6 100644
--- a/web-apache-pgsql/alpine/Dockerfile
+++ b/web-apache-pgsql/alpine/Dockerfile
@@ -55,7 +55,7 @@ RUN addgroup zabbix && \
     rm -rf /var/cache/apk/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/web-apache-pgsql/centos/Dockerfile b/web-apache-pgsql/centos/Dockerfile
index a6aaec469..625826db9 100644
--- a/web-apache-pgsql/centos/Dockerfile
+++ b/web-apache-pgsql/centos/Dockerfile
@@ -4,7 +4,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_DEV="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
@@ -35,7 +35,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_PERSISTENT="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=frontend ZBX_DB_TYPE=postgresql ZBX_OPT_TYPE=apache
diff --git a/web-apache-pgsql/ubuntu/Dockerfile b/web-apache-pgsql/ubuntu/Dockerfile
index c59e22a68..6372dc20f 100644
--- a/web-apache-pgsql/ubuntu/Dockerfile
+++ b/web-apache-pgsql/ubuntu/Dockerfile
@@ -54,7 +54,7 @@ RUN apt-get ${APT_FLAGS_COMMON} update && \
     rm -rf /var/lib/apt/lists/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/web-nginx-mysql/alpine/Dockerfile b/web-nginx-mysql/alpine/Dockerfile
index 200e082f1..9963ff994 100644
--- a/web-nginx-mysql/alpine/Dockerfile
+++ b/web-nginx-mysql/alpine/Dockerfile
@@ -56,7 +56,7 @@ RUN addgroup zabbix && \
     rm -rf /var/cache/apk/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/web-nginx-mysql/centos/Dockerfile b/web-nginx-mysql/centos/Dockerfile
index ea11df293..bee303a6c 100644
--- a/web-nginx-mysql/centos/Dockerfile
+++ b/web-nginx-mysql/centos/Dockerfile
@@ -4,7 +4,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_DEV="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=frontend ZBX_DB_TYPE=mysql ZBX_OPT_TYPE=nginx
@@ -36,7 +36,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_PERSISTENT="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=frontend ZBX_DB_TYPE=mysql ZBX_OPT_TYPE=nginx
diff --git a/web-nginx-mysql/ubuntu/Dockerfile b/web-nginx-mysql/ubuntu/Dockerfile
index b5d631a20..d81035b7c 100644
--- a/web-nginx-mysql/ubuntu/Dockerfile
+++ b/web-nginx-mysql/ubuntu/Dockerfile
@@ -66,7 +66,7 @@ RUN apt-get ${APT_FLAGS_COMMON} update && \
     rm -rf /var/lib/apt/lists/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/web-nginx-pgsql/alpine/Dockerfile b/web-nginx-pgsql/alpine/Dockerfile
index 75eea81ee..ea3a7d379 100644
--- a/web-nginx-pgsql/alpine/Dockerfile
+++ b/web-nginx-pgsql/alpine/Dockerfile
@@ -55,7 +55,7 @@ RUN addgroup zabbix && \
     rm -rf /var/cache/apk/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/web-nginx-pgsql/centos/Dockerfile b/web-nginx-pgsql/centos/Dockerfile
index cc360b993..30e577560 100644
--- a/web-nginx-pgsql/centos/Dockerfile
+++ b/web-nginx-pgsql/centos/Dockerfile
@@ -4,7 +4,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_DEV="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=frontend ZBX_DB_TYPE=postgresql ZBX_OPT_TYPE=nginx
@@ -36,7 +36,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_PERSISTENT="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV TERM=xterm ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=frontend ZBX_DB_TYPE=postgresql ZBX_OPT_TYPE=nginx
diff --git a/web-nginx-pgsql/ubuntu/Dockerfile b/web-nginx-pgsql/ubuntu/Dockerfile
index df6d57c42..82d0bc89e 100644
--- a/web-nginx-pgsql/ubuntu/Dockerfile
+++ b/web-nginx-pgsql/ubuntu/Dockerfile
@@ -66,7 +66,7 @@ RUN apt-get ${APT_FLAGS_COMMON} update && \
     rm -rf /var/lib/apt/lists/*
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES}
 
diff --git a/zabbix-appliance/alpine/Dockerfile b/zabbix-appliance/alpine/Dockerfile
index e032d811f..9376795b6 100644
--- a/zabbix-appliance/alpine/Dockerfile
+++ b/zabbix-appliance/alpine/Dockerfile
@@ -4,7 +4,7 @@ ARG APK_FLAGS_COMMON=""
 ARG APK_FLAGS_DEV="${APK_FLAGS_COMMON} --no-cache"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     PATH=${PATH}:/usr/lib/jvm/default-jvm/bin/ JAVA_HOME=/usr/lib/jvm/default-jvm \
@@ -84,7 +84,7 @@ ARG APK_FLAGS_COMMON=""
 ARG APK_FLAGS_PERSISTENT="${APK_FLAGS_COMMON} --clean-protected --no-cache"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     MIBDIRS=/usr/share/snmp/mibs:/var/lib/zabbix/mibs MIBS=+ALL PATH=${PATH}:/usr/lib/jvm/default-jvm/bin/ JAVA_HOME=/usr/lib/jvm/default-jvm \
diff --git a/zabbix-appliance/centos/Dockerfile b/zabbix-appliance/centos/Dockerfile
index 7c134a441..98ea0c215 100644
--- a/zabbix-appliance/centos/Dockerfile
+++ b/zabbix-appliance/centos/Dockerfile
@@ -4,7 +4,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_DEV="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     ZBX_TYPE=server ZBX_DB_TYPE=mysql ZBX_OPT_TYPE=nginx \
@@ -85,7 +85,7 @@ ARG YUM_FLAGS_COMMON="-y"
 ARG YUM_FLAGS_PERSISTENT="${YUM_FLAGS_COMMON}"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     TERM=xterm MIBDIRS=/usr/share/snmp/mibs:/var/lib/zabbix/mibs MIBS=+ALL \
diff --git a/zabbix-appliance/rhel/Dockerfile b/zabbix-appliance/rhel/Dockerfile
index 5b5fd2127..c154cf002 100644
--- a/zabbix-appliance/rhel/Dockerfile
+++ b/zabbix-appliance/rhel/Dockerfile
@@ -12,7 +12,7 @@ ARG BUILD_DATE
 ARG VCS_REF
 
 ARG MAJOR_VERSION=3.0
-ARG RELEASE=19
+ARG RELEASE=20
 ARG ZBX_VERSION=${MAJOR_VERSION}.${RELEASE}
 
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
diff --git a/zabbix-appliance/ubuntu/Dockerfile b/zabbix-appliance/ubuntu/Dockerfile
index c071b8ea0..9be85959a 100644
--- a/zabbix-appliance/ubuntu/Dockerfile
+++ b/zabbix-appliance/ubuntu/Dockerfile
@@ -4,7 +4,7 @@ ARG APT_FLAGS_COMMON="-y"
 ARG APT_FLAGS_DEV="${APT_FLAGS_COMMON} --no-install-recommends"
 
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_ALL=en_US.UTF-8 DEBIAN_FRONTEND=noninteractive TERM=xterm \
@@ -90,7 +90,7 @@ ARG VCS_REF
 ARG APT_FLAGS_COMMON="-y"
 ARG APT_FLAGS_PERSISTENT="${APT_FLAGS_COMMON} --no-install-recommends"
 ARG MAJOR_VERSION=3.0
-ARG ZBX_VERSION=${MAJOR_VERSION}.19
+ARG ZBX_VERSION=${MAJOR_VERSION}.20
 ARG ZBX_SOURCES=svn://svn.zabbix.com/tags/${ZBX_VERSION}/
 ENV ZBX_VERSION=${ZBX_VERSION} ZBX_SOURCES=${ZBX_SOURCES} \
     LANG=en_US.UTF-8 LANGUAGE=en_US:en LC_ALL=en_US.UTF-8 DEBIAN_FRONTEND=noninteractive TERM=xterm \