diff --git a/.gitea/workflows/docker-build.yaml b/.gitea/workflows/docker-build.yaml
index 0129390..8bc86e9 100644
--- a/.gitea/workflows/docker-build.yaml
+++ b/.gitea/workflows/docker-build.yaml
@@ -77,6 +77,9 @@ jobs:
       image: catthehacker/ubuntu:act-latest
     steps:
       - uses: docker/setup-buildx-action@v1
+        with:
+          driver: docker
+          
       - uses: docker/login-action@v3
         with:
           registry: git.steelants.cz
diff --git a/apache/Dockerfile b/apache/Dockerfile
index 75e53b7..78e3272 100644
--- a/apache/Dockerfile
+++ b/apache/Dockerfile
@@ -77,7 +77,8 @@ RUN docker-php-ext-install \
     bcmath \
     soap \
     gd \
-    intl
+    intl \
+    calendar
 
 RUN docker-php-ext-enable \
     imagick \
diff --git a/fmp-alpine/Dockerfile b/fmp-alpine/Dockerfile
index 87a2384..eececbf 100644
--- a/fmp-alpine/Dockerfile
+++ b/fmp-alpine/Dockerfile
@@ -51,7 +51,8 @@ RUN docker-php-ext-configure \
     intl \
     opcache \
     sockets \
-    pcntl
+    pcntl \
+    calendar
 
 RUN pecl install imagick \
  && docker-php-ext-enable imagick