diff --git a/version/version.go b/version/version.go
index b3d8c7e2d..4fb8977d2 100644
--- a/version/version.go
+++ b/version/version.go
@@ -30,7 +30,7 @@ const (
 	// the Kubernetes minimum version required by Knative.
 	KubernetesMinVersionKey = "KUBERNETES_MIN_VERSION"
 
-	defaultMinimumVersion = "v1.15.0"
+	defaultMinimumVersion = "v1.15.1"
 )
 
 func getMinimumVersion() string {
diff --git a/version/version_test.go b/version/version_test.go
index 444b451b9..ce8b35acc 100644
--- a/version/version_test.go
+++ b/version/version_test.go
@@ -41,16 +41,16 @@ func TestVersionCheck(t *testing.T) {
 		wantError       bool
 	}{{
 		name:          "greater version (patch)",
-		actualVersion: &testVersioner{version: "v1.15.1"},
+		actualVersion: &testVersioner{version: "v1.15.2"},
 	}, {
 		name:          "greater version (minor)",
 		actualVersion: &testVersioner{version: "v1.16.0"},
 	}, {
 		name:          "same version",
-		actualVersion: &testVersioner{version: "v1.15.0"},
+		actualVersion: &testVersioner{version: "v1.15.1"},
 	}, {
 		name:          "same version with build",
-		actualVersion: &testVersioner{version: "v1.15.0+k3s.1"},
+		actualVersion: &testVersioner{version: "v1.15.1+k3s.1"},
 	}, {
 		name:          "smaller version",
 		actualVersion: &testVersioner{version: "v1.14.3"},