diff --git a/sig-api-machinery/README.md b/sig-api-machinery/README.md
index 99218395a..7aff5f480 100644
--- a/sig-api-machinery/README.md
+++ b/sig-api-machinery/README.md
@@ -60,6 +60,9 @@ The following [working groups][working-group-definition] are sponsored by sig-ap
 ## Subprojects
 
 The following [subprojects][subproject-definition] are owned by sig-api-machinery:
+### cel-admission-webhook
+- **Owners:**
+  - [kubernetes/cel-admission-webhook](https://github.com/kubernetes/cel-admission-webhook/blob/main/OWNERS)
 ### component-base
 - **Owners:**
   - [kubernetes-sigs/legacyflag](https://github.com/kubernetes-sigs/legacyflag/blob/master/OWNERS)
diff --git a/sigs.yaml b/sigs.yaml
index ccbf71b8b..8788da4d9 100644
--- a/sigs.yaml
+++ b/sigs.yaml
@@ -61,6 +61,9 @@ sigs:
       github: palnabarun
       name: Nabarun Pal
   subprojects:
+  - name: cel-admission-webhook
+    owners:
+    - https://raw.githubusercontent.com/kubernetes/cel-admission-webhook/main/OWNERS
   - name: component-base
     owners:
     - https://raw.githubusercontent.com/kubernetes-sigs/legacyflag/master/OWNERS