diff --git a/CMakeLists.txt b/CMakeLists.txt
index bfffdc0..4bbce20 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@ include(GNUInstallDirs)
 # 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 "f4adaa6b50542dd564089fe584d407bf15351c97" CACHE STRING "")
+set(CPPINTEROP_GIT_TAG "a5a08e53c6abb0eb3935af59e49f3614e6bdd676" CACHE STRING "")
 set(CPPINTEROP_SOURCE_DIR "" CACHE PATH
     "Override default CppInterOp built by ExternalProject_Add, with a path to local CppInterOp source")