diff --git a/cmake_modules/FindLibClang.cmake b/cmake_modules/FindLibClang.cmake
index 65a9827..40b33eb 100644
--- a/cmake_modules/FindLibClang.cmake
+++ b/cmake_modules/FindLibClang.cmake
@@ -14,7 +14,9 @@
 #               Known LLVM release numbers.
 
 # most recent versions come first
-set(LIBCLANG_KNOWN_LLVM_VERSIONS 8.0.0_1 8.0.0 8.0 8
+set(LIBCLANG_KNOWN_LLVM_VERSIONS 9.0.0 9.0 9
+  8.0.1
+  8.0.0_1 8.0.0 8.0 8
   7.1.0 7.1
   7.0.1 7.0.0 7.0 7
   6.0.1 6.0.0 6.0 6
@@ -72,7 +74,7 @@ endforeach()
 find_path(LIBCLANG_INCLUDE_DIR clang-c/Index.h
   PATHS ${libclang_llvm_header_search_paths}
   PATH_SUFFIXES LLVM/include #Windows package from http://llvm.org/releases/
-    llvm80/include llvm71/include llvm70/include llvm60/include llvm50/include llvm41/include llvm40/include llvm39/include llvm38/include llvm37/include llvm36/include # FreeBSD
+    llvm90/include llvm80/include llvm71/include llvm70/include llvm60/include llvm50/include llvm41/include llvm40/include llvm39/include llvm38/include llvm37/include llvm36/include # FreeBSD
   DOC "The path to the directory that contains clang-c/Index.h")
 
 # On Windows with MSVC, the import library uses the ".imp" file extension
@@ -86,7 +88,7 @@ endif()
 find_library(LIBCLANG_LIBRARY NAMES libclang.imp libclang clang
   PATHS ${libclang_llvm_lib_search_paths}
   PATH_SUFFIXES LLVM/lib #Windows package from http://llvm.org/releases/
-    llvm80/lib llvm71/lib llvm70/lib llvm60/lib llvm50/lib llvm41/lib llvm40/lib llvm39/lib llvm38/lib llvm37/lib llvm36/lib # FreeBSD
+    llvm90/lib llvm80/lib llvm71/lib llvm70/lib llvm60/lib llvm50/lib llvm41/lib llvm40/lib llvm39/lib llvm38/lib llvm37/lib llvm36/lib # FreeBSD
   DOC "The file that corresponds to the libclang library.")
 
 get_filename_component(LIBCLANG_LIBRARY_DIR ${LIBCLANG_LIBRARY} PATH)