diff --git a/tpm2-pkcs11-gcc11.patch b/tpm2-pkcs11-gcc11.patch
index 92fb2f7..fdbb106 100644
--- a/tpm2-pkcs11-gcc11.patch
+++ b/tpm2-pkcs11-gcc11.patch
@@ -28,3 +28,24 @@ index 90fb3c3..1bce3ac 100644
  
      // Map human readable Manufacturer String, if available,
      // otherwise 4 byte ID was already padded and will be used.
+diff --git a/test/unit/test_twist.c b/test/unit/test_twist.c
+index ec66f69..54ec883 100644
+--- a/test/unit/test_twist.c
++++ b/test/unit/test_twist.c
+@@ -311,6 +311,8 @@ void test_twistbin_aappend_null_array(void **state) {
+ }
+ 
+ void test_twistbin_aappend_twist_null(void **state) {
++#pragma GCC diagnostic push
++#pragma GCC diagnostic ignored "-Wstringop-overflow="
+     (void) state;
+ 
+ 	twist expected = twist_new("foo");
+@@ -322,6 +324,7 @@ void test_twistbin_aappend_twist_null(void **state) {
+ 	assert_ptr_equal((void * )actual, (void * )expected);
+ 
+ 	twist_free(actual);
++#pragma GCC diagnostic pop
+ }
+ 
+ void test_twistbin_create_null(void **state) {
diff --git a/tpm2-pkcs11.spec b/tpm2-pkcs11.spec
index d80a46f..19db178 100644
--- a/tpm2-pkcs11.spec
+++ b/tpm2-pkcs11.spec
@@ -7,7 +7,7 @@
 
 Name:		tpm2-pkcs11
 Version:	1.5.0
-Release:	1%{?candidate:.%{candidate}}%{?dist}
+Release:	2%{?candidate:.%{candidate}}%{?dist}
 Summary:	PKCS#11 interface for TPM 2.0 hardware
 
 License:	BSD
@@ -100,6 +100,9 @@ cd tools
 
 
 %changelog
+* Mon Dec 07 2020 Jeff Law <law@redhat.com> - 1.5.0-2
+- Avoid stringop-overflow diagnostic in testsuite
+
 * Wed Nov 18 2020 Jakub Jelen <jjelen@redhat.com> - 1.5.0-1
 - New upstream release