diff --git a/Taskfile.yml b/Taskfile.yml
index d521762..22e17c2 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -70,6 +70,7 @@ tasks:
       - podman build 
           -v "{{.BUILD_MOUNT_FOLDER_INT}}:{{.BUILD_MOUNT_FOLDER_INT}}" 
           -v "{{.VOLUME_PATH}}:/go:rw" 
+          --build-arg CACHEBUST={{.DATE}}
           --build-arg VERSION={{.VERSION}}
           --build-arg=DOCKER_IO={{.DOCKER_IO}}
           --build-arg=DOCKER_ORG_JO_MICRO={{.DOCKER_ORG_JO_MICRO}}
@@ -77,6 +78,8 @@ tasks:
           -f ./docker/router/Dockerfile
           .
     vars:
+      DATE:
+        sh: date -u -Iseconds
       VOLUME_PATH:
         sh: podman volume inspect jo_micro-router_go --format "{{"{{"}}.Mountpoint{{"}}"}}"
       BUILD_MOUNT_FOLDER_INT:
diff --git a/docker/router/Dockerfile b/docker/router/Dockerfile
index ebe9c7d..12f8a46 100644
--- a/docker/router/Dockerfile
+++ b/docker/router/Dockerfile
@@ -10,6 +10,8 @@ RUN useradd appuser
 ARG VERSION
 COPY . /code/
 WORKDIR /code
+
+ARG CACHEBUST=1
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -installsuffix cgo -ldflags="-w -s -X 'jochum.dev/jo-micro/router/internal/config.Version=$VERSION'" -o /usr/local/bin/microrouterd jochum.dev/jo-micro/router/cmd/microrouterd
 
 # STEP 2 build a small image