diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 0ed7f24e69e2..117e767e2fd8 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -113,7 +113,7 @@ jobs:
       - name: setup kind cluster
         run: |
           # Used to test: cosign generate-key-pair k8s://...
-          go install sigs.k8s.io/kind@v0.17.0
+          go install sigs.k8s.io/kind@v0.20.0
           kind create cluster
 
       - name: Run end-to-end tests
diff --git a/test/e2e_test.go b/test/e2e_test.go
index 1ed2fc395bad..bef1e0db9657 100644
--- a/test/e2e_test.go
+++ b/test/e2e_test.go
@@ -753,7 +753,8 @@ func TestAttestationReplace(t *testing.T) {
 func TestAttestationRFC3161Timestamp(t *testing.T) {
 	// TSA server needed to create timestamp
 	viper.Set("timestamp-signer", "memory")
-	apiServer := server.NewRestAPIServer("localhost", 0, []string{"http"}, 10*time.Second, 10*time.Second)
+	viper.Set("timestamp-signer-hash", "sha256")
+	apiServer := server.NewRestAPIServer("localhost", 0, []string{"http"}, false, 10*time.Second, 10*time.Second)
 	server := httptest.NewServer(apiServer.GetHandler())
 	t.Cleanup(server.Close)
 
@@ -843,7 +844,8 @@ func TestAttachWithRFC3161Timestamp(t *testing.T) {
 	ctx := context.Background()
 	// TSA server needed to create timestamp
 	viper.Set("timestamp-signer", "memory")
-	apiServer := server.NewRestAPIServer("localhost", 0, []string{"http"}, 10*time.Second, 10*time.Second)
+	viper.Set("timestamp-signer-hash", "sha256")
+	apiServer := server.NewRestAPIServer("localhost", 0, []string{"http"}, false, 10*time.Second, 10*time.Second)
 	server := httptest.NewServer(apiServer.GetHandler())
 	t.Cleanup(server.Close)
 
@@ -1099,7 +1101,8 @@ func TestFulcioBundle(t *testing.T) {
 func TestRFC3161Timestamp(t *testing.T) {
 	// TSA server needed to create timestamp
 	viper.Set("timestamp-signer", "memory")
-	apiServer := server.NewRestAPIServer("localhost", 0, []string{"http"}, 10*time.Second, 10*time.Second)
+	viper.Set("timestamp-signer-hash", "sha256")
+	apiServer := server.NewRestAPIServer("localhost", 0, []string{"http"}, false, 10*time.Second, 10*time.Second)
 	server := httptest.NewServer(apiServer.GetHandler())
 	t.Cleanup(server.Close)
 
@@ -1153,7 +1156,8 @@ func TestRFC3161Timestamp(t *testing.T) {
 func TestRekorBundleAndRFC3161Timestamp(t *testing.T) {
 	// TSA server needed to create timestamp
 	viper.Set("timestamp-signer", "memory")
-	apiServer := server.NewRestAPIServer("localhost", 0, []string{"http"}, 10*time.Second, 10*time.Second)
+	viper.Set("timestamp-signer-hash", "sha256")
+	apiServer := server.NewRestAPIServer("localhost", 0, []string{"http"}, false, 10*time.Second, 10*time.Second)
 	server := httptest.NewServer(apiServer.GetHandler())
 	t.Cleanup(server.Close)
 
@@ -1460,7 +1464,8 @@ func TestSignBlobBundle(t *testing.T) {
 func TestSignBlobRFC3161TimestampBundle(t *testing.T) {
 	// TSA server needed to create timestamp
 	viper.Set("timestamp-signer", "memory")
-	apiServer := server.NewRestAPIServer("localhost", 0, []string{"http"}, 10*time.Second, 10*time.Second)
+	viper.Set("timestamp-signer-hash", "sha256")
+	apiServer := server.NewRestAPIServer("localhost", 0, []string{"http"}, false, 10*time.Second, 10*time.Second)
 	server := httptest.NewServer(apiServer.GetHandler())
 	t.Cleanup(server.Close)