diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7d775f24cd..11f34f3970 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -212,7 +212,7 @@ jobs:
             pybind11_ver: v2.10.0
             skip_tests: 1
             # abi_check: v2.6.2.0
-            abi_check: 8aac12c786bee9abd4674000dcbf409b4cb5a9d7
+            abi_check: 1b839e5f78465c0aadca4e05e86982b762414ff4
             setenvs: export OIIO_CMAKE_FLAGS="-DOIIO_BUILD_TOOLS=0 -DOIIO_BUILD_TESTS=0 -DUSE_PYTHON=0"
                             USE_OPENCV=0 USE_FFMPEG=0 USE_PYTHON=0 USE_FREETYPE=0
                             CMAKE_BUILD_TYPE=RelWithDebInfo