diff --git a/mock/c7-llvm-toolset-11.0.ppc.cfg b/mock/c7-llvm-toolset-11.0.ppc.cfg
index 848d4b7..ffb7edd 100644
--- a/mock/c7-llvm-toolset-11.0.ppc.cfg
+++ b/mock/c7-llvm-toolset-11.0.ppc.cfg
@@ -60,6 +60,7 @@ gpgcheck=0
 name=c7-devtoolset-9
 baseurl=http://repohost/repo/c7-devtoolset-9.ppc/
 gpgcheck=0
+exclude=devtoolset-9-gcc* > 9.1.2
 
 [c7.1810.u.ppc]
 name=c7.1810.u.ppc
diff --git a/mock/c7-llvm-toolset-11.0.ppc64.cfg b/mock/c7-llvm-toolset-11.0.ppc64.cfg
index e97123e..92e84b5 100644
--- a/mock/c7-llvm-toolset-11.0.ppc64.cfg
+++ b/mock/c7-llvm-toolset-11.0.ppc64.cfg
@@ -65,6 +65,7 @@ name=c7-devtoolset-9
 baseurl=http://repohost/repo/c7-devtoolset-9.ppc64/
 gpgcheck=0
 includepkgs=*.ppc64 *.noarch glibc.ppc glibc-devel.ppc nss-softokn-freebl*.ppc
+exclude=devtoolset-9-gcc* > 9.1.2
 
 [c7.1810.u.ppc64]
 name=c7.1810.u.ppc64