diff --git a/globus-gss-assist-sha256.patch b/globus-gss-assist-sha256.patch
new file mode 100644
index 0000000..ea9c7ec
--- /dev/null
+++ b/globus-gss-assist-sha256.patch
@@ -0,0 +1,13 @@
+diff --git a/gsi/gss_assist/source/test/testcred.cnf.in b/gsi/gss_assist/source/test/testcred.cnf.in
+index ef12fd8e93..e878b0151a 100644
+--- a/gsi/gss_assist/source/test/testcred.cnf.in
++++ b/gsi/gss_assist/source/test/testcred.cnf.in
+@@ -44,7 +44,7 @@ commonName		= supplied
+ ####################################################################
+ [ req ]
+ default_bits		= 2048
+-default_md		= sha1
++default_md		= sha256
+ default_keyfile 	= privkey.pem
+ distinguished_name	= req_distinguished_name
+ attributes		= req_attributes
diff --git a/globus-gss-assist.spec b/globus-gss-assist.spec
index be2df00..6f3df79 100644
--- a/globus-gss-assist.spec
+++ b/globus-gss-assist.spec
@@ -1,13 +1,16 @@
 Name:		globus-gss-assist
 %global _name %(tr - _ <<< %{name})
 Version:	12.6
-Release:	2%{?dist}
+Release:	3%{?dist}
 Summary:	Grid Community Toolkit - GSSAPI Assist library
 
 License:	ASL 2.0
 URL:		https://github.com/gridcf/gct/
 Source:		https://repo.gridcf.org/gct6/sources/%{_name}-%{version}.tar.gz
 Source8:	README
+#		Use sha256 hash when generating test certificates
+#		https://github.com/gridcf/gct/pull/178
+Patch0:		%{name}-sha256.patch
 
 BuildRequires:	make
 BuildRequires:	gcc
@@ -92,6 +95,7 @@ GSSAPI Assist library Documentation Files
 
 %prep
 %setup -q -n %{_name}-%{version}
+%patch0 -p4
 
 %build
 # Reduce overlinking
@@ -152,6 +156,9 @@ rm %{buildroot}%{_pkgdocdir}/GLOBUS_LICENSE
 %license GLOBUS_LICENSE
 
 %changelog
+* Sat Mar 12 2022 Mattias Ellert <mattias.ellert@physics.uu.se> - 12.6-3
+- Use sha256 hash when generating test certificates
+
 * Thu Jan 20 2022 Fedora Release Engineering <releng@fedoraproject.org> - 12.6-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild