diff --git a/Dockerfile b/Dockerfile
index 5e455fc03..526e215e4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,8 +7,12 @@ RUN set -e; \
     apt-get update; \
     apt-get install -y --no-install-recommends \
         libzip-dev \
+        libpng-dev \
+        libjpeg-dev \
+        libfreetype6-dev \
         cron \
     ; \
+    docker-php-ext-configure gd --with-freetype --with-jpeg; \
     \
     docker-php-ext-install -j "$(nproc)" \
         mysqli \
diff --git a/install/includes/install_config/install_config.php b/install/includes/install_config/install_config.php
index 1fb5da278..9ae31e097 100644
--- a/install/includes/install_config/install_config.php
+++ b/install/includes/install_config/install_config.php
@@ -34,6 +34,7 @@ $required_php_modules = [
 	'php-mbstring' 	=> ['condition' => isExtensionInstalled('mbstring')],
 	'php-xml' 		=> ['condition' => isExtensionInstalled('xml')],
 	'php-zip' 		=> ['condition' => isExtensionInstalled('zip')],
+	'php-gd' 		=> ['condition' => isExtensionInstalled('gd')],
 ];
 
 // MariaDB / MySQL