diff --git a/1.1/Dockerfile b/1.1/Dockerfile
index 4dad0bc..9fc04fa 100644
--- a/1.1/Dockerfile
+++ b/1.1/Dockerfile
@@ -10,7 +10,7 @@ ARG PGID=845
 ENV PORT=34197 \
     RCON_PORT=27015 \
     VERSION=1.1.21 \
-    SHA1=07e3745d743bff5b407b3ef120c16feecaf61d7c \
+    SHA1=28a8f75c511a8380bd95d37e7d40c65180fb2e51 \
     SAVES=/factorio/saves \
     CONFIG=/factorio/config \
     MODS=/factorio/mods \