diff --git a/Dockerfile.template b/Dockerfile.template
index 846f7962e3..c03d28fdd0 100644
--- a/Dockerfile.template
+++ b/Dockerfile.template
@@ -31,7 +31,8 @@ RUN apk add --no-cache \
 # bash is needed for 'wp shell': https://github.com/wp-cli/shell-command/blob/b8dafcc2a2eba5732fdee70be077675a302848e9/src/WP_CLI/REPL.php#L104
 		bash \
 		less \
-		mysql-client
+		mysql-client \
+		mariadb-connector-c
 
 RUN set -ex; \
 	mkdir -p /var/www/html; \