diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 35c9c8056..5f0ffc3bc 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -386,8 +386,9 @@ darwin:
     - xcodebuild -configuration Release
     - cd ..
     - packagesbuild -v mac/Parity.pkgproj
+    - productsign --sign 'Developer ID Installer: PARITY TECHNOLOGIES LIMITED (P2PX3JU8FT)' target/release/Parity\ Ethereum.pkg target/release/Parity\ Ethereum-signed.pkg
     - export VER=$(grep -m 1 version Cargo.toml | awk '{print $3}' | tr -d '"' | tr -d "\n")
-    - mv target/release/Parity\ Ethereum.pkg "parity-"$VER"-osx-installer-EXPERIMENTAL.pkg"
+    - mv target/release/Parity\ Ethereum-signed.pkg "parity-"$VER"-osx-installer-EXPERIMENTAL.pkg"
     - md5sum "parity-"$VER"-osx-installer-EXPERIMENTAL.pkg" >> "parity-"$VER"-osx-installer-EXPERIMENTAL.pkg.md5"
     - aws configure set aws_access_key_id $s3_key
     - aws configure set aws_secret_access_key $s3_secret
diff --git a/mac/Parity Ethereum.xcodeproj/project.pbxproj b/mac/Parity Ethereum.xcodeproj/project.pbxproj
index f7879f41b..0660fee06 100644
--- a/mac/Parity Ethereum.xcodeproj/project.pbxproj	
+++ b/mac/Parity Ethereum.xcodeproj/project.pbxproj	
@@ -115,7 +115,8 @@
 				TargetAttributes = {
 					0ACF9ABD1E30FAB600D5C935 = {
 						CreatedOnToolsVersion = 8.0;
-						ProvisioningStyle = Automatic;
+						DevelopmentTeam = P2PX3JU8FT;
+						ProvisioningStyle = Manual;
 					};
 				};
 			};
@@ -267,7 +268,9 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_IDENTITY = "Mac Developer";
 				COMBINE_HIDPI_IMAGES = YES;
+				DEVELOPMENT_TEAM = P2PX3JU8FT;
 				GCC_WARN_ABOUT_DEPRECATED_FUNCTIONS = NO;
 				INFOPLIST_FILE = Parity/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
@@ -281,7 +284,9 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_IDENTITY = "Developer ID Application";
 				COMBINE_HIDPI_IMAGES = YES;
+				DEVELOPMENT_TEAM = P2PX3JU8FT;
 				GCC_WARN_ABOUT_DEPRECATED_FUNCTIONS = NO;
 				INFOPLIST_FILE = Parity/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";