diff --git a/cmake/modules/FindLibevent2.cmake b/cmake/modules/FindLibevent2.cmake
index 99b25be0..167d1249 100644
--- a/cmake/modules/FindLibevent2.cmake
+++ b/cmake/modules/FindLibevent2.cmake
@@ -35,8 +35,8 @@ if (PKG_CONFIG_FOUND)
 endif ()
 
 if (PkgLibevent_FOUND)
-  set(LIBEVENT2_INCLUDE_DIR ${PkgLibevent_INCLUDE_DIRS} CACHE FILEPATH "libevent2 include path")
-  set(LIBEVENT2_LIBRARIES ${PkgLibevent_LIBRARIES} CACHE STRING "libevent2 libraries")
+  set(LIBEVENT2_INCLUDE_DIR ${PkgLibevent_INCLUDE_DIRS} CACHE FILEPATH "libevent2 include path" FORCE)
+  set(LIBEVENT2_LIBRARIES ${PkgLibevent_LIBRARIES} CACHE STRING "libevent2 libraries" FORCE)
   set(LIBEVENT2_VERSION ${PkgLibevent_VERSION})
   add_library(Libevent2::Libevent_core ALIAS PkgConfig::PkgLibevent)
   set(Libevent2_FOUND ON)