diff --git a/srcs/requirements/wordpress/Dockerfile b/srcs/requirements/wordpress/Dockerfile
index 5b4ed1e..ba52cde 100644
--- a/srcs/requirements/wordpress/Dockerfile
+++ b/srcs/requirements/wordpress/Dockerfile
@@ -17,6 +17,7 @@ RUN apk update && apk add \
 	php7-dom \
 	php7-curl \
 	php7-session \
+	php7-mbstring \
 	\
 	mariadb-client \
 	curl \