diff --git a/Dockerfile b/Dockerfile
index afcd2e9b..53f2efc6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,7 +44,7 @@ RUN apk add --update --no-cache \
     # PHP SQLite driver
     php7-pdo_sqlite php7-sqlite3 \
     # PHP extensions
-    php7-xml php7-gd php7-mbstring php7-tokenizer \
+    php7-xml php7-gd php7-mbstring php7-tokenizer php7-cli \
     # Runtime dependencies
     php7-session php7-json php7-openssl \
     # Nginx and PHP FPM to serve over HTTP