diff --git a/hack/api-docs/Dockerfile b/hack/api-docs/Dockerfile
index 16fea10a7..91678249e 100644
--- a/hack/api-docs/Dockerfile
+++ b/hack/api-docs/Dockerfile
@@ -11,7 +11,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM alpine:3.19@sha256:c5b1261d6d3e43071626931fc004f70149baeba2c8ec672bd4f27761f8e1ad6b
+FROM alpine:3.20@sha256:77726ef6b57ddf65bb551896826ec38bc3e53f75cdde31354fbffb4f25238ebd
 RUN apk add -U --no-cache \
     python3 \
     python3-dev \