diff --git a/demos/ios/.gitignore b/demos/ios/.gitignore
new file mode 100644
index 000000000..baf18b425
--- /dev/null
+++ b/demos/ios/.gitignore
@@ -0,0 +1,21 @@
+# Xcode.gitignore
+
+## User settings
+xcuserdata/
+
+## compatibility with Xcode 8 and earlier (ignoring not required starting Xcode 9)
+*.xcscmblueprint
+*.xccheckout
+
+## compatibility with Xcode 3 and earlier (ignoring not required starting Xcode 4)
+build/
+DerivedData/
+*.moved-aside
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
diff --git a/demos/ios/Blockly WebView.xcodeproj/project.pbxproj b/demos/ios/Blockly WebView.xcodeproj/project.pbxproj
index eeea4d2eb..4b0aaac57 100644
--- a/demos/ios/Blockly WebView.xcodeproj/project.pbxproj	
+++ b/demos/ios/Blockly WebView.xcodeproj/project.pbxproj	
@@ -315,6 +315,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = 3KZF7Q7Q49;
 				INFOPLIST_FILE = "Blockly WebView/Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -333,6 +334,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = 3KZF7Q7Q49;
 				INFOPLIST_FILE = "Blockly WebView/Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
diff --git a/demos/ios/Blockly WebView.xcodeproj/project.xcworkspace/xcuserdata/marshalla.xcuserdatad/UserInterfaceState.xcuserstate b/demos/ios/Blockly WebView.xcodeproj/project.xcworkspace/xcuserdata/marshalla.xcuserdatad/UserInterfaceState.xcuserstate
deleted file mode 100644
index 0e3c5338d..000000000
Binary files a/demos/ios/Blockly WebView.xcodeproj/project.xcworkspace/xcuserdata/marshalla.xcuserdatad/UserInterfaceState.xcuserstate and /dev/null differ