diff --git a/crd.Dockerfile b/crd.Dockerfile
index 85bddc513..9eba33d15 100644
--- a/crd.Dockerfile
+++ b/crd.Dockerfile
@@ -11,7 +11,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
       
-FROM alpine:3.19@sha256:11e21d7b981a59554b3f822c49f6e9f57b6068bb74f49c4cd5cc4c663c7e5160 as builder
+FROM alpine@sha256:11e21d7b981a59554b3f822c49f6e9f57b6068bb74f49c4cd5cc4c663c7e5160 as builder
 
 ARG TARGETOS
 ARG TARGETARCH