diff --git a/.github/workflows/gha-validate-chart.yaml b/.github/workflows/gha-validate-chart.yaml
index 91304702..70a67de2 100644
--- a/.github/workflows/gha-validate-chart.yaml
+++ b/.github/workflows/gha-validate-chart.yaml
@@ -123,3 +123,17 @@ jobs:
         if: steps.list-changed.outputs.changed == 'true'
         run: |
           ct install --config charts/.ci/ct-config-gha.yaml
+  test-chart:
+    name: Test Chart
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: "go.mod"
+          cache: false
+      - name: Test gha-runner-scale-set
+        run: go test ./charts/gha-runner-scale-set/...
+      - name: Test gha-runner-scale-set-controller
+        run: go test ./charts/gha-runner-scale-set-controller/...
diff --git a/charts/gha-runner-scale-set-controller/tests/template_test.go b/charts/gha-runner-scale-set-controller/tests/template_test.go
index afee95a2..c1efe293 100644
--- a/charts/gha-runner-scale-set-controller/tests/template_test.go
+++ b/charts/gha-runner-scale-set-controller/tests/template_test.go
@@ -366,6 +366,7 @@ func TestTemplate_ControllerDeployment_Defaults(t *testing.T) {
 		"--metrics-addr=0",
 		"--listener-metrics-addr=0",
 		"--listener-metrics-endpoint=",
+		"--runner-max-concurrent-reconciles=2",
 	}
 	assert.ElementsMatch(t, expectedArgs, deployment.Spec.Template.Spec.Containers[0].Args)
 
@@ -518,6 +519,7 @@ func TestTemplate_ControllerDeployment_Customize(t *testing.T) {
 		"--listener-metrics-addr=0",
 		"--listener-metrics-endpoint=",
 		"--metrics-addr=0",
+		"--runner-max-concurrent-reconciles=2",
 	}
 
 	assert.ElementsMatch(t, expectArgs, deployment.Spec.Template.Spec.Containers[0].Args)
@@ -646,6 +648,7 @@ func TestTemplate_EnableLeaderElection(t *testing.T) {
 		"--listener-metrics-addr=0",
 		"--listener-metrics-endpoint=",
 		"--metrics-addr=0",
+		"--runner-max-concurrent-reconciles=2",
 	}
 
 	assert.ElementsMatch(t, expectedArgs, deployment.Spec.Template.Spec.Containers[0].Args)
@@ -686,6 +689,7 @@ func TestTemplate_ControllerDeployment_ForwardImagePullSecrets(t *testing.T) {
 		"--listener-metrics-addr=0",
 		"--listener-metrics-endpoint=",
 		"--metrics-addr=0",
+		"--runner-max-concurrent-reconciles=2",
 	}
 
 	assert.ElementsMatch(t, expectedArgs, deployment.Spec.Template.Spec.Containers[0].Args)
@@ -776,6 +780,7 @@ func TestTemplate_ControllerDeployment_WatchSingleNamespace(t *testing.T) {
 		"--listener-metrics-addr=0",
 		"--listener-metrics-endpoint=",
 		"--metrics-addr=0",
+		"--runner-max-concurrent-reconciles=2",
 	}
 
 	assert.ElementsMatch(t, expectedArgs, deployment.Spec.Template.Spec.Containers[0].Args)