diff --git a/.drone.yml b/.drone.yml
index acaff0e..595ec5a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -3,16 +3,16 @@ kind: pipeline
 name: coopcloud.tech/tagcmp
 steps:
   - name: gofmt
-    image: golang:1.20
+    image: golang:1.21
     commands:
       - test -z "$(gofmt -l .)"
 
   - name: go build
-    image: golang:1.20
+    image: golang:1.21
     commands:
       - go build -v .
 
   - name: go test
-    image: golang:1.20
+    image: golang:1.21
     commands:
       - go test . -cover