diff --git a/cmake/cpm/CPM.cmake b/cmake/cpm/CPM.cmake
index 5b394a5f..426208a7 100644
--- a/cmake/cpm/CPM.cmake
+++ b/cmake/cpm/CPM.cmake
@@ -45,7 +45,7 @@ endif()
 if(DEFINED EXTRACTED_CPM_VERSION)
   set(CURRENT_CPM_VERSION "${EXTRACTED_CPM_VERSION}${CPM_DEVELOPMENT}")
 else()
-  set(CURRENT_CPM_VERSION 0.42.2)
+  set(CURRENT_CPM_VERSION 0.42.3)
 endif()
 
 get_filename_component(CPM_CURRENT_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}" REALPATH)
@@ -1243,6 +1243,7 @@ function(cpm_parse_option OPTION)
   else()
     math(EXPR OPTION_KEY_LENGTH "${OPTION_KEY_LENGTH}+1")
     string(SUBSTRING "${OPTION}" "${OPTION_KEY_LENGTH}" "-1" OPTION_VALUE)
+    string(STRIP "${OPTION_VALUE}" OPTION_VALUE)
   endif()
   set(OPTION_KEY
       "${OPTION_KEY}"