diff --git a/Dockerfile b/Dockerfile
index 61f68cfc7d0f5cbf84d0b28279105e22a9da4edb..464d114b0ec3ae37010147f34267f549043b11a5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -35,6 +35,7 @@ RUN set -eux; \
 		curl \
 		dom \
 		mbstring \
+		pdo_mysql \
 		mysqli \
 		zip \
 	; \