diff --git a/.github/workflows/build_run_unit_test_cmake.yml b/.github/workflows/build_run_unit_test_cmake.yml
index 6fd163b..82c0e0a 100644
--- a/.github/workflows/build_run_unit_test_cmake.yml
+++ b/.github/workflows/build_run_unit_test_cmake.yml
@@ -12,7 +12,7 @@ jobs:
   build_matrix:
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-14]
+        os: [ubuntu-latest, windows-latest, macos-15]
     runs-on: ${{ matrix.os }}
     defaults:
       run:
diff --git a/cmake/download_asio_cpm.cmake b/cmake/download_asio_cpm.cmake
index 7743f1b..6251256 100644
--- a/cmake/download_asio_cpm.cmake
+++ b/cmake/download_asio_cpm.cmake
@@ -11,7 +11,7 @@ set ( THREADS_PREFER_PTHREAD_FLAG TRUE )
 find_package ( Threads REQUIRED )
 
 include ( cmake/download_cpm.cmake )
-CPMAddPackage ( "gh:chriskohlhoff/asio#asio-1-31-0@1.31.0" )
+CPMAddPackage ( "gh:chriskohlhoff/asio#asio-1-32-0@1.32.0" )
 
 # ASIO doesn't use CMake, we have to configure it manually. Extra notes for using on Windows:
 #
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index d71a2e6..e86db4e 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -15,7 +15,7 @@ target_compile_features ( periodic_timer_test PRIVATE cxx_std_20 )
 # add dependencies
 include ( ../cmake/download_cpm.cmake )
 
-CPMAddPackage ( "gh:catchorg/Catch2@3.7.0" )
+CPMAddPackage ( "gh:catchorg/Catch2@3.8.0" )
 
 set ( CMAKE_THREAD_PREFER_PTHREAD TRUE )
 set ( THREADS_PREFER_PTHREAD_FLAG TRUE )