diff --git a/.ci/build-mac-arm64.sh b/.ci/build-mac-arm64.sh
index a9698a8880..4db1e27e80 100644
--- a/.ci/build-mac-arm64.sh
+++ b/.ci/build-mac-arm64.sh
@@ -146,6 +146,7 @@ export MACOSX_DEPLOYMENT_TARGET=14.0
     -DCMAKE_TOOLCHAIN_FILE=buildfiles/cmake/TCDarwinARM64.cmake \
     -DCMAKE_CXX_FLAGS="-D__MAC_OS_X_VERSION_MIN_REQUIRED=140000" \
     -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
+    -DCMAKE_OSX_SYSROOT="$(xcrun --sdk macosx --show-sdk-path)" \
     -G Ninja
 
 "$BREW_PATH/bin/ninja"; build_status=$?;
diff --git a/.ci/build-mac.sh b/.ci/build-mac.sh
index 287bd3949e..64583f31d2 100644
--- a/.ci/build-mac.sh
+++ b/.ci/build-mac.sh
@@ -109,6 +109,7 @@ export MACOSX_DEPLOYMENT_TARGET=14.0
     -DCMAKE_IGNORE_PATH="$BREW_PATH/lib" \
     -DCMAKE_CXX_FLAGS="-D__MAC_OS_X_VERSION_MIN_REQUIRED=140000" \
     -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
+    -DCMAKE_OSX_SYSROOT="$(xcrun --sdk macosx --show-sdk-path)" \
     -G Ninja
 
 "$BREW_PATH/bin/ninja"; build_status=$?;