diff --git a/cmake/CPM.cmake b/cmake/CPM.cmake
index 88a323b734..322d1c1258 100644
--- a/cmake/CPM.cmake
+++ b/cmake/CPM.cmake
@@ -2,8 +2,8 @@
 #
 # SPDX-FileCopyrightText: Copyright (c) 2019-2023 Lars Melchior and contributors
 
-set (CPM_DOWNLOAD_VERSION 0.42.1)
-set (CPM_HASH_SUM "f3a6dcc6a04ce9e7f51a127307fa4f699fb2bade357a8eb4c5b45df76e1dc6a5")
+set (CPM_DOWNLOAD_VERSION 0.42.3)
+set (CPM_HASH_SUM "a609e875fd532b067174250f6abbc3dac22fe2d64869783fb1e80bda1625c844")
 
 if (CPM_SOURCE_CACHE)
     set (CPM_DOWNLOAD_LOCATION "${CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")