diff --git a/.swift-version b/.swift-version
index 5186d07..bf77d54 100644
--- a/.swift-version
+++ b/.swift-version
@@ -1 +1 @@
-4.0
+4.2
diff --git a/.travis.yml b/.travis.yml
index d0b236a..a0d4242 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode9.4
+osx_image: xcode10.1
 branches:
   only:
     - master
@@ -8,9 +8,19 @@ xcode_workspace: Tentacle.xcworkspace
 matrix:
   include:
     - xcode_scheme: Tentacle-OSX
+      name: Xcode 10.1 / macOS
       env: XCODE_ACTION="build-for-testing test-without-building"
     - xcode_scheme: Tentacle-iOS
+      name: Xcode 10.1 / macOS
       env: XCODE_ACTION="build-for-testing test-without-building"
+    - xcode_scheme: Tentacle-OSX
+      name: Xcode 10.2 / macOS
+      env: XCODE_ACTION="build-for-testing test-without-building"
+      osx_image: xcode10.2
+    - xcode_scheme: Tentacle-iOS
+      name: Xcode 10.2 / macOS
+      env: XCODE_ACTION="build-for-testing test-without-building"
+      osx_image: xcode10.2
     - xcode_scheme: update-test-fixtures
       env: XCODE_ACTION=build
     - git:
diff --git a/Tentacle.xcodeproj/project.pbxproj b/Tentacle.xcodeproj/project.pbxproj
index 5822658..3fb3621 100644
--- a/Tentacle.xcodeproj/project.pbxproj
+++ b/Tentacle.xcodeproj/project.pbxproj
@@ -1138,7 +1138,7 @@
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -1189,7 +1189,7 @@
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};