diff --git a/Dockerfile b/Dockerfile
index 116af6c..0505586 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -48,7 +48,8 @@ RUN apk --no-cache add -t build-dependencies \
     imagemagick \
     yarn \
     ruby \
-    ruby-bundler
+    ruby-bundler \
+    git
 
 RUN adduser -g ${GID} -u ${UID} --disabled-password --gecos "" mastodon \
  && mkdir /mastodon \