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-rw-r--r--Dockerfile2
1 files changed, 1 insertions, 1 deletions
diff --git a/Dockerfile b/Dockerfile
index 57a8f34e9..a05525b33 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.3.1-alpine
+FROM ruby:2.4.1-alpine
 
 LABEL maintainer="https://github.com/tootsuite/mastodon" \
       description="A GNU Social-compatible microblogging server"