diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 8d1056812..81ec76779 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -9,7 +9,7 @@
     "actions/login-to-gar": "1.0.0",
     "actions/login-to-gcs": "0.2.1",
     "actions/argo-lint": "1.0.2",
-    "actions/setup-conftest": "1.0.2",
+    "actions/setup-conftest": "1.0.3",
     "actions/setup-argo": "1.0.2",
     "actions/generate-openapi-clients": "1.0.2",
     "actions/push-to-gcs": "0.2.1",
diff --git a/actions/setup-conftest/CHANGELOG.md b/actions/setup-conftest/CHANGELOG.md
index f746f4fea..d9c486b10 100644
--- a/actions/setup-conftest/CHANGELOG.md
+++ b/actions/setup-conftest/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.0.3](https://github.com/grafana/shared-workflows/compare/setup-conftest/v1.0.2...setup-conftest/v1.0.3) (2025-09-03)
+
+
+### 🔧 Miscellaneous Chores
+
+* **deps:** update actions/cache action to v4.2.4 ([#1201](https://github.com/grafana/shared-workflows/issues/1201)) ([25cf7e3](https://github.com/grafana/shared-workflows/commit/25cf7e34e371246a9a9843bade599df92fca88ae))
+
 ## [1.0.2](https://github.com/grafana/shared-workflows/compare/setup-conftest-v1.0.1...setup-conftest/v1.0.2) (2025-06-04)
 
 
diff --git a/actions/setup-conftest/README.md b/actions/setup-conftest/README.md
index acffcf38c..4164a898f 100644
--- a/actions/setup-conftest/README.md
+++ b/actions/setup-conftest/README.md
@@ -7,9 +7,9 @@ Setup conftest and add it to the PATH, this action will pull the binary from Git
 <!-- x-release-please-start-version -->
 
 ```yaml
-uses: grafana/shared-workflows/actions/setup-conftest@setup-conftest/v1.0.2
+uses: grafana/shared-workflows/actions/setup-conftest@setup-conftest/v1.0.3
 with:
-  version: 1.0.2 # Version of conftest to install.
+  version: 1.0.3 # Version of conftest to install.
 ```
 
 <!-- x-release-please-end-version -->