diff --git a/typings/gradle/actions/v4/wrapper-validation/action-types.yml b/typings/gradle/actions/v4/wrapper-validation/action-types.yml
new file mode 100644
index 0000000..08aa901
--- /dev/null
+++ b/typings/gradle/actions/v4/wrapper-validation/action-types.yml
@@ -0,0 +1,11 @@
+# See https://github.com/typesafegithub/github-actions-typing
+inputs:
+  min-wrapper-count:
+    type: integer
+  allow-snapshots:
+    type: boolean
+  allow-checksums:
+    type: list
+    separator: ','
+    list-item:
+      type: string