diff --git a/get-ac-build.cmake b/get-ac-build.cmake
index 886f24cd..83d666f4 100644
--- a/get-ac-build.cmake
+++ b/get-ac-build.cmake
@@ -13,7 +13,7 @@ include(./get_cpm.cmake)
 if(AC_BUILD_MONO)
     set(ac-build_SOURCE_DIR "${CMAKE_SOURCE_DIR}/../ac-build")
 else()
-    CPMAddPackage(gh:alpaca-core/ac-build@1.0.0)
+    CPMAddPackage(gh:alpaca-core/ac-build@1.1.0)
 endif()
 
 list(APPEND CMAKE_MODULE_PATH
diff --git a/get_cpm.cmake b/get_cpm.cmake
index 20013e18..47e2e872 100644
--- a/get_cpm.cmake
+++ b/get_cpm.cmake
@@ -2,8 +2,8 @@
 #
 # SPDX-FileCopyrightText: Copyright (c) 2019-2023 Lars Melchior and contributors
 
-set(CPM_DOWNLOAD_VERSION 0.40.1)
-set(CPM_HASH_SUM "117cbf2711572f113bab262933eb5187b08cfc06dce0714a1ee94f2183ddc3ec")
+set(CPM_DOWNLOAD_VERSION 0.40.5)
+set(CPM_HASH_SUM "c46b876ae3b9f994b4f05a4c15553e0485636862064f1fcc9d8b4f832086bc5d")
 
 if(CPM_SOURCE_CACHE)
   set(CPM_DOWNLOAD_LOCATION "${CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")