diff --git a/.github/workflows/cd-wheel.yml b/.github/workflows/cd-wheel.yml
index 9357b18..9b58ad7 100644
--- a/.github/workflows/cd-wheel.yml
+++ b/.github/workflows/cd-wheel.yml
@@ -159,7 +159,7 @@ jobs:
         echo $(git log -1 --pretty=%ci) [timestamp=$SOURCE_DATE_EPOCH]
 
     - id: build
-      uses: pypa/cibuildwheel@v2.21.0
+      uses: pypa/cibuildwheel@v2.21.1
       timeout-minutes: 360
       with:
         package-dir: package
diff --git a/check-wheel.sh b/check-wheel.sh
index cc3d9f4..6e7588f 100755
--- a/check-wheel.sh
+++ b/check-wheel.sh
@@ -38,7 +38,7 @@ fi
 if test "$(uname)" = Darwin; then
     runpath='@executable_path/../lib/|@loader_path/'
     soregex='\..*\.dylib'
-    runlibs='lib(mpi|pmpi|System)'$soregex
+    runlibs='lib(mpi|pmpi|System|objc)'$soregex
     runlibs=$runlibs'|(Foundation|IOKit)\.framework'
     libsdir=.dylibs
     print-runpath() { otool -l "$1" | sed -n '/RPATH/{n;n;p;}'; }