diff --git a/mock/c7-llvm-toolset-14.0.i386.cfg b/mock/c7-llvm-toolset-14.0.i386.cfg
index ed12796..08c53a0 100644
--- a/mock/c7-llvm-toolset-14.0.i386.cfg
+++ b/mock/c7-llvm-toolset-14.0.i386.cfg
@@ -122,6 +122,11 @@ name=c7-devtoolset-9
 enabled=1
 baseurl=http://repohost/repo/c7-devtoolset-9.i386/
 
+[c7-devtoolset-12.i386]
+name=c7-devtoolset-12
+enabled=1
+baseurl=http://repohost/repo/c7-devtoolset-12.i386/
+
 [c7-llvm-toolset-7.0.i386]
 name=c7-llvm-toolset-7.0
 enabled=1
diff --git a/mock/c7-llvm-toolset-14.0.x86_64.cfg b/mock/c7-llvm-toolset-14.0.x86_64.cfg
index 38e43ea..520dca9 100644
--- a/mock/c7-llvm-toolset-14.0.x86_64.cfg
+++ b/mock/c7-llvm-toolset-14.0.x86_64.cfg
@@ -136,6 +136,12 @@ enabled=1
 baseurl=http://repohost/repo/c7-devtoolset-9.x86_64/
 includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
 
+[c7-devtoolset-12]
+name=c7-devtoolset-12
+enabled=1
+baseurl=http://repohost/repo/c7-devtoolset-12.x86_64/
+includepkgs=*.x86_64 *.noarch glibc.i686 glibc-devel.i686 nss-softokn-freebl*.i686
+
 [c7.1810.u.x86_64]
 name=c7.1810.u.x86_64
 enabled=1