diff --git a/Config/F-DroidRepo/docker-compose.example.yml b/Config/F-DroidRepo/docker-compose.example.yml
index 34e9182..bda0854 100644
--- a/Config/F-DroidRepo/docker-compose.example.yml
+++ b/Config/F-DroidRepo/docker-compose.example.yml
@@ -21,6 +21,7 @@ services:
         REPO_DOMAIN: ${REPO_DOMAIN}
         REPO_NAME: ${REPO_NAME}
         REPO_ICON: ${REPO_ICON}
+        CACHE_BUST: ${BUILD_TIMESTAMP:-1}
         FILE00: ${FILE00}
         FILE01: ${FILE01}
         FILE02: ${FILE02}