diff --git a/cmake/CPM.cmake b/cmake/CPM.cmake
index f3d79185..8f72e924 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 0.38.6)
-set (CPM_HASH_SUM "11c3fa5f1ba14f15d31c2fb63dbc8628ee133d81c8d764caad9a8db9e0bacb07")
+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")
diff --git a/cmake/package-lock.cmake b/cmake/package-lock.cmake
index 1f5fad30..1285de5a 100644
--- a/cmake/package-lock.cmake
+++ b/cmake/package-lock.cmake
@@ -14,14 +14,14 @@ CPMDeclarePackage (cereal
                    SYSTEM TRUE
                    OPTIONS "JUST_INSTALL_CEREAL ON")
 # simde
-set (HIBF_SIMDE_VERSION 0.7.6)
+set (HIBF_SIMDE_VERSION 0.8.2)
 CPMDeclarePackage (simde
                    NAME simde
                    VERSION ${HIBF_SIMDE_VERSION}
                    DOWNLOAD_ONLY YES
                    GITHUB_REPOSITORY simd-everywhere/simde)
 # benchmark
-set (HIBF_BENCHMARK_VERSION 1.8.4)
+set (HIBF_BENCHMARK_VERSION 1.9.0)
 CPMDeclarePackage (benchmark
                    NAME benchmark
                    VERSION ${HIBF_BENCHMARK_VERSION}
@@ -29,15 +29,15 @@ CPMDeclarePackage (benchmark
                    SYSTEM TRUE
                    OPTIONS "BENCHMARK_ENABLE_TESTING OFF" "BENCHMARK_ENABLE_WERROR OFF")
 # googletest
-set (HIBF_GOOGLETEST_VERSION 1.14.0)
+set (HIBF_GOOGLETEST_VERSION 1.15.1)
 CPMDeclarePackage (googletest
-                   NAME GTest
+                   NAME googletest
                    VERSION ${HIBF_GOOGLETEST_VERSION}
                    GITHUB_REPOSITORY google/googletest
                    SYSTEM TRUE
                    OPTIONS "BUILD_GMOCK OFF" "INSTALL_GTEST OFF" "CMAKE_CXX_STANDARD 20")
 # doxygen-awesome
-set (HIBF_DOXYGEN_AWESOME_VERSION 2.3.2)
+set (HIBF_DOXYGEN_AWESOME_VERSION 2.3.3)
 CPMDeclarePackage (doxygen_awesome
                    NAME doxygen_awesome
                    VERSION ${HIBF_DOXYGEN_AWESOME_VERSION}
diff --git a/test/hibf-test.cmake b/test/hibf-test.cmake
index ab3b78f2..6427c312 100644
--- a/test/hibf-test.cmake
+++ b/test/hibf-test.cmake
@@ -43,11 +43,15 @@ enable_testing ()
 if (NOT TARGET hibf::test)
     add_library (hibf_test INTERFACE)
 
-    # GCC12 and above: Disable warning about std::hardware_destructive_interference_size not being ABI-stable.
     if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+        # Disable warning about std::hardware_destructive_interference_size not being ABI-stable.
         if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 12)
             target_compile_options (hibf_test INTERFACE "-Wno-interference-size")
         endif ()
+        # Warn about failed return value optimization.
+        if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 14)
+            target_compile_options (hibf_test INTERFACE "-Wnrvo")
+        endif ()
     endif ()
 
     target_link_libraries (hibf_test INTERFACE "seqan::hibf")
@@ -72,15 +76,6 @@ endif ()
 # needed for unit test cases in hibf/test/unit
 if (NOT TARGET hibf::test::unit)
     add_library (hibf_test_unit INTERFACE)
-
-    # GCC12 has some bogus warnings. They will not be fixed in googletest.
-    # https://github.com/google/googletest/issues/4232
-    if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
-        if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 12 AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 13)
-            target_compile_options (hibf_test INTERFACE "-Wno-restrict")
-        endif ()
-    endif ()
-
     target_link_libraries (hibf_test_unit INTERFACE "hibf::test" "GTest::gtest_main")
     add_library (hibf::test::unit ALIAS hibf_test_unit)
 endif ()
diff --git a/test/include/hibf/test/type_name_as_string.hpp b/test/include/hibf/test/type_name_as_string.hpp
index 4fdbdde0..919f8380 100644
--- a/test/include/hibf/test/type_name_as_string.hpp
+++ b/test/include/hibf/test/type_name_as_string.hpp
@@ -58,12 +58,15 @@ inline std::string const type_name_as_string = []()
     // itself, since the type is directly given by the compiler.
     // LCOV_EXCL_START
     if (status != 0)
-        return std::string{typeid(type).name()} + " (abi::__cxa_demangle error status (" + std::to_string(status)
-             + "): "
-             + (status == -1 ? "A memory allocation failure occurred."
-                             : (status == -2 ? "mangled_name is not a valid name under the C++ ABI mangling rules."
-                                             : (status == -3 ? "One of the arguments is invalid." : "Unknown Error")))
-             + ")";
+    {
+        demangled_name =
+            std::string{typeid(type).name()} + " (abi::__cxa_demangle error status (" + std::to_string(status) + "): "
+            + (status == -1 ? "A memory allocation failure occurred."
+                            : (status == -2 ? "mangled_name is not a valid name under the C++ ABI mangling rules."
+                                            : (status == -3 ? "One of the arguments is invalid." : "Unknown Error")))
+            + ")";
+        return demangled_name;
+    }
     // LCOV_EXCL_STOP
 
     demangled_name = std::string{std::addressof(*demangled_name_ptr)};