diff -up ./CMakeLists.txt.tests ./CMakeLists.txt
--- ./CMakeLists.txt.tests	2023-09-25 10:46:51.000000000 -0400
+++ ./CMakeLists.txt	2024-03-31 20:49:21.960500757 -0400
@@ -55,7 +55,7 @@ IF(ASSIMP_HUNTER_ENABLED)
   add_definitions(-DASSIMP_USE_HUNTER)
 ENDIF()
 
-PROJECT(Assimp VERSION 5.3.0)
+PROJECT(Assimp VERSION 5.3.1)
 
 # All supported options ###############################################
 
@@ -725,6 +725,7 @@ IF ( ASSIMP_BUILD_SAMPLES )
 ENDIF ()
 
 IF ( ASSIMP_BUILD_TESTS )
+  ENABLE_TESTING()
   ADD_SUBDIRECTORY( test/ )
 ENDIF ()
 
diff -up ./test/CMakeLists.txt.tests ./test/CMakeLists.txt
--- ./test/CMakeLists.txt.tests	2023-09-25 10:46:51.000000000 -0400
+++ ./test/CMakeLists.txt	2024-03-31 20:48:33.624049363 -0400
@@ -36,6 +36,7 @@
 #
 #----------------------------------------------------------------------
 cmake_minimum_required( VERSION 3.10 )
+include(GoogleTest)
 
 INCLUDE_DIRECTORIES(
     ${Assimp_SOURCE_DIR}/test/unit
@@ -281,4 +282,4 @@ target_link_libraries( unit assimp ${pla
 
 add_subdirectory(headercheck)
 
-add_test( unittests unit )
+gtest_discover_tests(unit)
diff -up ./test/unit/utVersion.cpp.tests ./test/unit/utVersion.cpp
--- ./test/unit/utVersion.cpp.tests	2024-03-31 20:48:33.624049363 -0400
+++ ./test/unit/utVersion.cpp	2024-03-31 20:50:08.025156444 -0400
@@ -61,7 +61,7 @@ TEST_F( utVersion, aiGetVersionMajorTest
 }
 
 TEST_F( utVersion, aiGetVersionPatchTest ) {
-    EXPECT_EQ(aiGetVersionPatch(), 0U );
+    EXPECT_EQ(aiGetVersionPatch(), 1U );
 }
 
 TEST_F( utVersion, aiGetCompileFlagsTest ) {