diff --git a/.github/actions/tools/Dockerfile b/.github/actions/tools/Dockerfile
index 2b9da73..be49c4a 100644
--- a/.github/actions/tools/Dockerfile
+++ b/.github/actions/tools/Dockerfile
@@ -28,7 +28,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM alpine:3.18@sha256:7144f7bab3d4c2648d7e59409f15ec52a18006a128c733fcff20d3a4a54ba44a
+FROM alpine:3.20@sha256:77726ef6b57ddf65bb551896826ec38bc3e53f75cdde31354fbffb4f25238ebd
 
 LABEL maintainer="Nicolas Lamirault <nicolas.lamirault@gmail.com>" \
     org.opencontainers.image.title="Tools for Portefaix project" \