diff --git a/.github/workflows/buildapp.yml b/.github/workflows/buildapp.yml
index efdb0e0..f5822df 100644
--- a/.github/workflows/buildapp.yml
+++ b/.github/workflows/buildapp.yml
@@ -8,7 +8,7 @@ on:
     inputs:
       sdk_version:
         description: "iOS SDK Version"
-        default: "17.5"
+        default: "26.0"
         required: true
         type: string
       uyou_version:
@@ -54,7 +54,7 @@ concurrency:
 jobs:
   build:
     name: Build uYouEnhanced
-    runs-on: macos-14
+    runs-on: macos-26
     permissions:
       contents: write
 
@@ -141,10 +141,13 @@ jobs:
         id: build_package
         run: |
           cd ${{ github.workspace }}/main
+          export THEOS_SDK_NAME=iPhoneOS${{ inputs.sdk_version }}.sdk
+          export SDKVERSION=${{ inputs.sdk_version }}
+          export SYSROOT=$THEOS/sdks/$THEOS_SDK_NAME
           sed -i '' "30s#.*#BUNDLE_ID = ${{ env.BUNDLE_ID }}#g" Makefile                          # Modify the bundle ID
           sed -i '' "29s#.*#DISPLAY_NAME = ${{ env.APP_NAME }}#g" Makefile                        # Modify the app name
           sed -i '' "1s#.*#export TARGET = iphone:clang:${{ inputs.sdk_version }}:14.0#g" Makefile # Modify the SDK version
-          make package THEOS_PACKAGE_SCHEME=rootless IPA=Payload/YouTube.app FINALPACKAGE=1
+          make package THEOS_PACKAGE_SCHEME=rootless IPA=Payload/YouTube.app FINALPACKAGE=1 SDKVERSION=${{ inputs.sdk_version }}
           echo "package=$(ls -t packages | head -n1)" >>$GITHUB_OUTPUT
           echo -e "==> \033[1mSHASUM256: $(shasum -a 256 packages/*.ipa | cut -f1 -d' ')\033[0m"
           echo -e "==> \033[1mBundle ID: ${{ env.BUNDLE_ID }}\033[0m"