diff --git a/llvm-toolset.yaml b/llvm-toolset.yaml
index 589642f..adb05b2 100644
--- a/llvm-toolset.yaml
+++ b/llvm-toolset.yaml
@@ -42,6 +42,11 @@ data:
         multilib: [x86_64]
         ref: stream-llvm-toolset-rhel8-rhel-8.9.0
         buildorder: 0
+      llvm-compat:
+        rationale: LLVM compat libraries
+        multilib: [x86_64]
+        ref: stream-llvm-toolset-rhel8-rhel-8.9.0
+        buildorder: 0
       compiler-rt:
         rationale: LLVM compiler intrinsic and sanitizer libraries 
         multilib: [x86_64]