diff --git a/CMakeLists.txt b/CMakeLists.txt
index 62b656f..d6cfa67 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,8 +10,8 @@ include(GNUInstallDirs)
 # This option won't make a lot of sense since we only ship the shared library in site-packages
 # Perhaps this should permanently be OFF and users can build their own CppInterOp if they want to run the tests?
 option(CPPJIT_ENABLE_CPPINTEROP_TESTS "enable CppInterOp tests" OFF)
-set(CPPINTEROP_GIT_REPOSITORY "https://github.com/compiler-research/CppInterOp.git" CACHE STRING "")
-set(CPPINTEROP_GIT_TAG "d3c8cf7aff7796e1539582f8e52910f351a48977" CACHE STRING "")
+set(CPPINTEROP_GIT_REPOSITORY "https://github.com/guitargeek/CppInterOp.git" CACHE STRING "")
+set(CPPINTEROP_GIT_TAG "a871711a992863ee8a02b8a8d220a5944041b4f0" CACHE STRING "")
 set(CPPINTEROP_SOURCE_DIR "" CACHE PATH
     "Override default CppInterOp built by ExternalProject_Add, with a path to local CppInterOp source")
 
diff --git a/test/test_cpp11features.py b/test/test_cpp11features.py
index a221480..f91917f 100644
--- a/test/test_cpp11features.py
+++ b/test/test_cpp11features.py
@@ -478,7 +478,6 @@ def test14_shared_ptr_passing(self):
             gc.collect()
             assert TestSmartPtr.s_counter == 0
 
-    @mark.xfail(condition=IS_MAC, reason="Fails for MacOS 26")
     def test15_unique_ptr_template_deduction(self):
         """Argument type deduction with std::unique_ptr"""
 
@@ -498,7 +497,6 @@ def test15_unique_ptr_template_deduction(self):
         with raises(ValueError):  # not an RValue
             cppjit.gbl.UniqueTempl.returnptr[int](uptr_in)
 
-    @mark.xfail(condition=IS_MAC, reason="Fails on Mac platforms")
     def test16_unique_ptr_moves(self):
         """std::unique_ptr requires moves"""