diff --git a/tuf/signed/verifiers_test.go b/tuf/signed/verifiers_test.go
index dc7d093e73..855767a1ae 100644
--- a/tuf/signed/verifiers_test.go
+++ b/tuf/signed/verifiers_test.go
@@ -293,7 +293,7 @@ func TestECDSAVerifier(t *testing.T) {
 }
 
 func TestECDSAVerifierOtherCurves(t *testing.T) {
-	curves := []elliptic.Curve{elliptic.P224(), elliptic.P256(), elliptic.P384(), elliptic.P521()}
+	curves := []elliptic.Curve{elliptic.P256(), elliptic.P384(), elliptic.P521()}
 
 	for _, curve := range curves {
 		ecdsaPrivKey, err := ecdsa.GenerateKey(curve, rand.Reader)
diff --git a/utils/tls_config_test.go b/utils/tls_config_test.go
index 75c53e8809..3854de22e0 100644
--- a/utils/tls_config_test.go
+++ b/utils/tls_config_test.go
@@ -31,7 +31,7 @@ func generateMultiCert(t *testing.T) string {
 
 	rsaKey, err := rsa.GenerateKey(rand.Reader, 2048)
 	assert.NoError(t, err)
-	ecKey, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader)
+	ecKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
 	assert.NoError(t, err)
 	template, err := trustmanager.NewCertificate("gun")
 	assert.NoError(t, err)