diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 68090b478a0ab59fae6654b46845c21dbdf6c78a..bf1fc070f6c8f8001dbbd7a01f6f8999705413b9 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -57,6 +57,7 @@ jobs:
               "LCG_99/x86_64-centos7-gcc10-opt",
               "LCG_99/x86_64-centos8-gcc10-opt",
               "LCG_99/x86_64-ubuntu2004-gcc9-opt",
+              "dev3/x86_64-centos7-clang12-opt",
               "dev4/x86_64-centos7-gcc10-opt"]
     steps:
     - uses: actions/checkout@v2