diff --git a/cmake/Modules/FindLibClang.cmake b/cmake/Modules/FindLibClang.cmake
index 23ec229..14404f9 100644
--- a/cmake/Modules/FindLibClang.cmake
+++ b/cmake/Modules/FindLibClang.cmake
@@ -14,7 +14,8 @@
 #               Known LLVM release numbers.
 
 # most recent versions come first
-set(LIBCLANG_KNOWN_LLVM_VERSIONS 3.9
+set(LIBCLANG_KNOWN_LLVM_VERSIONS 3.9.0
+  3.9
   3.8.1
   3.8
   3.7.1