diff --git a/cmake/CPM.cmake b/cmake/CPM.cmake
index 0326f4af..a31cec25 100644
--- a/cmake/CPM.cmake
+++ b/cmake/CPM.cmake
@@ -23,8 +23,8 @@ endif()
 # Now the original from the release that can be found at
 # https://github.com/cpm-cmake/CPM.cmake/releases
 
-set(CPM_DOWNLOAD_VERSION 0.39.0)
-set(CPM_HASH_SUM "66639bcac9dd2907b2918de466783554c1334446b9874e90d38e3778d404c2ef")
+set(CPM_DOWNLOAD_VERSION 0.40.2)
+set(CPM_HASH_SUM "c8cdc32c03816538ce22781ed72964dc864b2a34a310d3b7104812a5ca2d835d")
 
 if(CPM_SOURCE_CACHE)
   set(CPM_DOWNLOAD_LOCATION "${CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")