diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 34da448d4d..da3eaf29c5 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -14,7 +14,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  SHOWCASE_VERSION: 0.25.0
+  SHOWCASE_VERSION: 0.30.0
   PROTOC_VERSION: 3.20.2
 
 jobs:
diff --git a/noxfile.py b/noxfile.py
index 2567626e25..4c283e47f0 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -29,7 +29,7 @@
 nox.options.error_on_missing_interpreters = True
 
 
-showcase_version = os.environ.get("SHOWCASE_VERSION", "0.25.0")
+showcase_version = os.environ.get("SHOWCASE_VERSION", "0.30.0")
 ADS_TEMPLATES = path.join(path.dirname(__file__), "gapic", "ads-templates")