diff --git a/xcode/aux_scripts/setup_project_environment.sh b/xcode/aux_scripts/setup_project_environment.sh
index 6815645..81a81c2 100644
--- a/xcode/aux_scripts/setup_project_environment.sh
+++ b/xcode/aux_scripts/setup_project_environment.sh
@@ -8,7 +8,8 @@ cd ${PROJECT_PATH}
 
 bundle install
 
-# install Homebrew
+# Install Homebrew
+
 if [[ $(command -v brew) == "" ]]; then
 
     # Prevent "Press RETURN to continue or any other key to abort" message when installing Homebrew
@@ -29,4 +30,15 @@ bundle exec pod install
 
 # Install carthage dependencies
 
-carthage bootstrap --platform iOS
\ No newline at end of file
+carthage bootstrap --platform iOS
+
+case $2 in
+    --InstallDevelopmentCodeSigning)
+        # Install certificates & provision profiles for development
+
+        cd ${PROJECT_PATH}/fastlane
+
+        bundle exec fastlane SyncCodeSigning
+    ;;
+esac
+