diff --git a/.drone.yml b/.drone.yml
index d07059d..202bc09 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -11,7 +11,7 @@ steps:
         - go/pkg/mod
         - ~/.cache/go-build
       backend: local
-      cache_key: go-mod-cache-{{ checksum "go.sum" }}
+      cache_key: go-mod-cache-{{ branch }}
 
   - name: build
     image: golang:1.22
@@ -29,7 +29,7 @@ steps:
         - go/pkg/mod
         - ~/.cache/go-build
       backend: local
-      cache_key: go-mod-cache-{{ checksum "go.sum" }}
+      cache_key: go-mod-cache-{{ branch }}
 
   - name: upload
     image: appleboy/drone-scp