diff --git a/CHANGELOG.md b/CHANGELOG.md
index a87d63d..12dd281 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@
 
 ## Release 0.118
 
+#### Fixed
+- Fixed `mdl` rubygem
+
 #### Added
 - [#182](https://github.com/devilbox/docker-php-fpm/issues/182) Added `ioncube` to PHP 7.4
 - Added `sqlsrv` to PHP 7.4
diff --git a/Dockerfiles/work/Dockerfile-7.1 b/Dockerfiles/work/Dockerfile-7.1
index f1c70ae..e312c51 100644
--- a/Dockerfiles/work/Dockerfile-7.1
+++ b/Dockerfiles/work/Dockerfile-7.1
@@ -495,7 +495,7 @@ RUN set -eux \
 	&& gem install rb-inotify -v 0.9.10 \
 	\
 # -------------------- mdl --------------------
-	&& gem install mdl \
+	&& gem install mdl -v 0.5.0 \
 	\
 	\
 	&& rm -rf /root/.gem \
diff --git a/Dockerfiles/work/Dockerfile-7.2 b/Dockerfiles/work/Dockerfile-7.2
index 741bfc3..ee5cfa2 100644
--- a/Dockerfiles/work/Dockerfile-7.2
+++ b/Dockerfiles/work/Dockerfile-7.2
@@ -496,7 +496,7 @@ RUN set -eux \
 	&& gem install rb-inotify -v 0.9.10 \
 	\
 # -------------------- mdl --------------------
-	&& gem install mdl \
+	&& gem install mdl -v 0.5.0 \
 	\
 	\
 	&& rm -rf /root/.gem \
diff --git a/Dockerfiles/work/Dockerfile-7.3 b/Dockerfiles/work/Dockerfile-7.3
index a6ee655..93939f6 100644
--- a/Dockerfiles/work/Dockerfile-7.3
+++ b/Dockerfiles/work/Dockerfile-7.3
@@ -496,7 +496,7 @@ RUN set -eux \
 	&& gem install rb-inotify -v 0.9.10 \
 	\
 # -------------------- mdl --------------------
-	&& gem install mdl \
+	&& gem install mdl -v 0.5.0 \
 	\
 	\
 	&& rm -rf /root/.gem \
diff --git a/build/ansible/group_vars/all/work.yml b/build/ansible/group_vars/all/work.yml
index 33e825c..617ff17 100644
--- a/build/ansible/group_vars/all/work.yml
+++ b/build/ansible/group_vars/all/work.yml
@@ -277,6 +277,12 @@ gem_available:
       version: 0.5.0
     7.4:
       version: 0.5.0
+    7.3:
+      version: 0.5.0
+    7.2:
+      version: 0.5.0
+    7.1:
+      version: 0.5.0
     7.0:
       version: 0.5.0
     5.6: