diff --git a/dockerfile-kasm-core-alpine b/dockerfile-kasm-core-alpine
index e900589..dc6cead 100644
--- a/dockerfile-kasm-core-alpine
+++ b/dockerfile-kasm-core-alpine
@@ -227,7 +227,7 @@ ENV AUDIO_PORT=4901 \
     VNC_VIEW_ONLY_PW=vncviewonlypassword \
     TZ=$TZ
 
-RUN apk update && apk add mesa-vulkan-intel vulkan-tools
+RUN apk update && apk add mesa-vulkan-intel vulkan-tools mesa-utils
 
 ### Ports and user
 EXPOSE $VNC_PORT \
diff --git a/dockerfile-kasm-core-fedora b/dockerfile-kasm-core-fedora
index f340aec..db2c829 100644
--- a/dockerfile-kasm-core-fedora
+++ b/dockerfile-kasm-core-fedora
@@ -234,6 +234,8 @@ ENV AUDIO_PORT=4901 \
     VNC_VIEW_ONLY_PW=vncviewonlypassword \
     TZ=$TZ
 
+RUN dnf install -y glx-utils
+
 ### Ports and user
 EXPOSE $VNC_PORT \
        $NO_VNC_PORT \