diff --git a/0.18/Dockerfile b/0.18/Dockerfile
index 16aa91a..bc445de 100644
--- a/0.18/Dockerfile
+++ b/0.18/Dockerfile
@@ -10,7 +10,7 @@ ARG PGID=845
 ENV PORT=34197 \
     RCON_PORT=27015 \
     VERSION=0.18.47 \
-    SHA1=a3761eec54d28b908653e14968d0e5492211c4af \
+    SHA1=81f37e247f574edbf87a31bc18401209043fbdb0 \
     SAVES=/factorio/saves \
     CONFIG=/factorio/config \
     MODS=/factorio/mods \