diff --git a/.buildbot/snap/Dockerfile b/.buildbot/snap/Dockerfile
index ba0bfed6..7fde093d 100644
--- a/.buildbot/snap/Dockerfile
+++ b/.buildbot/snap/Dockerfile
@@ -1,6 +1,6 @@
 FROM ubuntu:bionic
 
-ENV SKIPCACHE=2022-07-12
+ENV SKIPCACHE=2022-07-17
 
 RUN apt-get update
 
diff --git a/.buildbot/snap/test.sh b/.buildbot/snap/build.sh
similarity index 100%
rename from .buildbot/snap/test.sh
rename to .buildbot/snap/build.sh