diff --git a/unittest/CMakeLists.txt b/unittest/CMakeLists.txt
index 74a8b24017..99b5463a81 100644
--- a/unittest/CMakeLists.txt
+++ b/unittest/CMakeLists.txt
@@ -6,7 +6,7 @@ add_subdirectory(utils)
 
 add_subdirectory(formats)
 
-find_package(ClangFormat)
+find_package(ClangFormat 8.0)
 
 if(ClangFormat_FOUND)
   set(UNITTEST_SOURCES)