diff --git a/Dockerfile b/Dockerfile
index 05d742b2fc5..5c890044f78 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -387,7 +387,7 @@ RUN \
 
 RUN \
   # Precompile bootsnap code for faster Rails startup
-  bundle exec bootsnap precompile --gemfile app/ lib/;
+  bundle exec bootsnap precompile --gemfile app/ lib/ config/;
 
 RUN \
   # Pre-create and chown system volume to Mastodon user