diff --git a/.github/workflows/mobile.yml b/.github/workflows/mobile.yml
index c854043..6aa3380 100644
--- a/.github/workflows/mobile.yml
+++ b/.github/workflows/mobile.yml
@@ -34,6 +34,7 @@ jobs:
           gpg --quiet --batch --yes --decrypt --passphrase="${{ secrets.SECRET_KEY }}" --output ../../mobile_flutter/wlanthermo_flutter_app/android/app/keystore.jks keystore.jks.gpg
           gpg --quiet --batch --yes --decrypt --passphrase="${{ secrets.SECRET_KEY }}" --output WLANThermo_Distribution_Certificate.p12 WLANThermo_Distribution_Certificate.p12.gpg
           gpg --quiet --batch --yes --decrypt --passphrase="${{ secrets.SECRET_KEY }}" --output ~/Library/MobileDevice/Provisioning\ Profiles/WLANThermo_Provisioning_Ad_Hoc.mobileprovision WLANThermo_Provisioning_Ad_Hoc.mobileprovision.gpg
+          gpg --quiet --batch --yes --decrypt --passphrase="${{ secrets.SECRET_KEY }}" --output ../../mobile_flutter/wlanthermo_flutter_app/GoogleService-Info.plist GoogleService-Info.plist.gpg
 
       - uses: actions/setup-java@v2
         with:
@@ -51,45 +52,19 @@ jobs:
         run: |
           flutter pub get
 
-      # - name: Prepare iOS provisioning
-      #   working-directory: ./.github/secrets
-      #   run: |
-      #     security create-keychain -p "" build.keychain >/dev/null 2>&1
-      #     security import WLANThermo_Distribution_Certificate.p12 -t agg -k ~/Library/Keychains/build.keychain -P "" -A >/dev/null 2>&1
-      #     security list-keychains -s ~/Library/Keychains/build.keychain >/dev/null 2>&1
-      #     security default-keychain -s ~/Library/Keychains/build.keychain >/dev/null 2>&1
-      #     security unlock-keychain -p "" ~/Library/Keychains/build.keychain >/dev/null 2>&1
-      #     security set-key-partition-list -S apple-tool:,apple: -s -k "" ~/Library/Keychains/build.keychain >/dev/null 2>&1
-      # Install the Apple certificate and provisioning profile 
-
-      - name: Install the Apple certificate and provisioning profile
-        env:
-          BUILD_CERTIFICATE_BASE64: ${{ secrets.APPSTORE_CERT_BASE64 }}
-          P12_PASSWORD: ${{ secrets.APPSTORE_CERT_PASSWORD }}
-          BUILD_PROVISION_PROFILE_BASE64: ${{ secrets.MOBILEPROVISION_BASE64 }}
-          KEYCHAIN_PASSWORD: ${{ secrets.KEYCHAIN_PASSWORD }}
+      - name: Prepare iOS provisioning
+        working-directory: ./.github/secrets
         run: |
-          # create variables
-          CERTIFICATE_PATH=$RUNNER_TEMP/build_certificate.p12
-          PP_PATH=$RUNNER_TEMP/build_pp.mobileprovision
-          KEYCHAIN_PATH=$RUNNER_TEMP/app-signing.keychain-db
-          # import certificate and provisioning profile from secrets
-          echo -n "$BUILD_CERTIFICATE_BASE64" | base64 --decode --output $CERTIFICATE_PATH
-          echo -n "$BUILD_PROVISION_PROFILE_BASE64" | base64 --decode --output $PP_PATH
-          # create temporary keychain
-          security create-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
-          security set-keychain-settings -lut 21600 $KEYCHAIN_PATH
-          security unlock-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
-          # import certificate to keychain
-          # security import $CERTIFICATE_PATH -P "" -A -t agg -f pkcs12 -k $KEYCHAIN_PATH
-          security list-keychain -d user -s $KEYCHAIN_PATH
-          # apply provisioning profile
-          mkdir -p ~/Library/MobileDevice/Provisioning\ Profiles
-          cp $PP_PATH ~/Library/MobileDevice/Provisioning\ Profiles
+          security create-keychain -p "" build.keychain >/dev/null 2>&1
+          security import WLANThermo_Distribution_Certificate.p12 -t agg -k ~/Library/Keychains/build.keychain -P "" -A >/dev/null 2>&1
+          security list-keychains -s ~/Library/Keychains/build.keychain >/dev/null 2>&1
+          security default-keychain -s ~/Library/Keychains/build.keychain >/dev/null 2>&1
+          security unlock-keychain -p "" ~/Library/Keychains/build.keychain >/dev/null 2>&1
+          security set-key-partition-list -S apple-tool:,apple: -s -k "" ~/Library/Keychains/build.keychain >/dev/null 2>&1
 
       - name: Build iOS app
         working-directory: ./mobile_flutter/wlanthermo_flutter_app
-        run: flutter build ipa
+        run: flutter build ipa --release --export-options-plist=GoogleService-Info.plist.plist
 
       - name: Build android
         working-directory: ./mobile_flutter/wlanthermo_flutter_app