diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 2dfa896..f378452 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -170,15 +170,13 @@ jobs:
 
           # import certificate to keychain
           security import $CERTIFICATE_PATH -P "$P12_PASSWORD" -A -t cert -f pkcs12 -k $KEYCHAIN_PATH
-          security set-key-partition-list -S apple-tool:,apple: -k "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
-          
-          # Make the certificate trusted
           security set-key-partition-list -S apple-tool:,apple:,codesign: -s -k "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
           
+          # Set this keychain as the default
           security list-keychain -d user -s $KEYCHAIN_PATH
           security default-keychain -s $KEYCHAIN_PATH
 
-          # apply provisioning profile with UUID as filename
+          # install provisioning profile
           mkdir -p ~/Library/MobileDevice/Provisioning\ Profiles
           cp $PP_PATH ~/Library/MobileDevice/Provisioning\ Profiles/61f9fdb9-bf2d-4d94-b249-63155ee71e74.mobileprovision
 
@@ -187,12 +185,8 @@ jobs:
           security find-identity -v -p codesigning $KEYCHAIN_PATH
           echo "=== Provisioning profiles ==="
           ls -la ~/Library/MobileDevice/Provisioning\ Profiles/
-          echo "=== Default keychain ==="
-          security default-keychain
 
       - name: Build iOS .ipa
-        env:
-          FLUTTER_XCODE_CODE_SIGN_IDENTITY: "iPhone Distribution: Tech BS LLC (7XG8T28436)"
         run: |
           flutter build ipa --release \
             --dart-define=OSM_PROD_CLIENTID='${{ secrets.OSM_PROD_CLIENTID }}' \
diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj
index 84a1d00..86f3226 100644
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@@ -470,7 +470,10 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_IDENTITY = "iPhone Distribution";
+				CODE_SIGN_STYLE = Manual;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				DEVELOPMENT_TEAM = 7XG8T28436;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@@ -479,6 +482,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = me.deflock.deflockapp;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "61f9fdb9-bf2d-4d94-b249-63155ee71e74";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -652,7 +656,10 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_IDENTITY = "iPhone Developer";
+				CODE_SIGN_STYLE = Manual;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				DEVELOPMENT_TEAM = 7XG8T28436;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@@ -661,6 +668,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = me.deflock.deflockapp;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "61f9fdb9-bf2d-4d94-b249-63155ee71e74";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_VERSION = 5.0;
@@ -674,7 +682,10 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_IDENTITY = "iPhone Distribution";
+				CODE_SIGN_STYLE = Manual;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
+				DEVELOPMENT_TEAM = 7XG8T28436;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@@ -683,6 +694,7 @@
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = me.deflock.deflockapp;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE_SPECIFIER = "61f9fdb9-bf2d-4d94-b249-63155ee71e74";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";