diff --git a/Dockerfile b/Dockerfile
index 83faaec..97eb4b5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,7 +24,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     && docker-php-ext-install intl \
     && docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
     && docker-php-ext-install -j$(nproc) gd \
-    && docker-php-ext-install zip
+    && docker-php-ext-install zip \
     && rm -rf /var/lib/apt/lists/*
 
 # set recommended PHP.ini settings