diff --git a/.travis.yml b/.travis.yml
index 0f11bc1..3519af6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode9.3
+osx_image: xcode10.0
 
 env:
   - ACTION=test  PLATFORM=Mac     DESTINATION='platform=OS X'
diff --git a/CodableFirebase.xcodeproj/project.pbxproj b/CodableFirebase.xcodeproj/project.pbxproj
index 1f96808..bdcb01b 100644
--- a/CodableFirebase.xcodeproj/project.pbxproj
+++ b/CodableFirebase.xcodeproj/project.pbxproj
@@ -177,6 +177,7 @@
 					};
 					CE7DD36F1F9CFA81000225C5 = {
 						CreatedOnToolsVersion = 9.0.1;
+						LastSwiftMigration = 1000;
 						ProvisioningStyle = Automatic;
 					};
 				};
@@ -389,7 +390,7 @@
 				SKIP_INSTALL = YES;
 				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator appletvos appletvsimulator watchos watchsimulator macosx";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2,3,4";
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				WATCHOS_DEPLOYMENT_TARGET = 2.0;
@@ -418,7 +419,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
 				SKIP_INSTALL = YES;
 				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator appletvos appletvsimulator watchos watchsimulator macosx";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2,3,4";
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				WATCHOS_DEPLOYMENT_TARGET = 2.0;
@@ -441,7 +442,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos appletvos watchos macosx appletvsimulator iphonesimulator watchsimulator";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2,3,4";
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				WATCHOS_DEPLOYMENT_TARGET = 2.0;
@@ -464,7 +465,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos appletvos watchos macosx appletvsimulator iphonesimulator watchsimulator";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2,3,4";
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				WATCHOS_DEPLOYMENT_TARGET = 2.0;