diff --git a/shoot/Dockerfile b/shoot/Dockerfile
index b4f8fc6..4495511 100644
--- a/shoot/Dockerfile
+++ b/shoot/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM alpine:3.16.2
+FROM alpine:3.16.3
 
 RUN apk add --update bash curl openvpn iptables bc && \
     rm -rf /var/cache/apk/*