diff --git a/docker/Dockerfile b/docker/Dockerfile
index 43488ff..287d270 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # syntax=docker/dockerfile:1
-FROM alpine:3.17.2
+FROM alpine:3.18.3
 
 RUN apk add --no-cache \
   bash \