diff --git a/.travis.yml b/.travis.yml
index 0d5d9ea..786d27d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode8.3
+osx_image: xcode9
 
 branches:
   except:
@@ -17,19 +17,19 @@ env:
     - MACOS_FRAMEWORK_SCHEME=HTMLKit-macOS
     - WATCHOS_FRAMEWORK_SCHEME="HTMLKit-watchOS"
     - TVOS_FRAMEWORK_SCHEME="HTMLKit-tvOS"
-    - IOS_SDK=iphonesimulator10.3
-    - MACOS_SDK=macosx10.12
-    - WATCHOS_SDK=watchsimulator3.2
-    - TVOS_SDK=appletvsimulator10.2
+    - IOS_SDK=iphonesimulator11.0
+    - MACOS_SDK=macosx10.13
+    - WATCHOS_SDK=watchsimulator4.0
+    - TVOS_SDK=appletvsimulator11.0
   matrix:
     - DESTINATION="arch=x86_64"                                SCHEME="$MACOS_FRAMEWORK_SCHEME"      SDK="$MACOS_SDK"
-    - DESTINATION="OS=8.4,name=iPhone 6 Plus"                  SCHEME="$IOS_FRAMEWORK_SCHEME"        SDK="$IOS_SDK"
-    - DESTINATION="OS=9.3,name=iPhone 6S Plus"                 SCHEME="$IOS_FRAMEWORK_SCHEME"        SDK="$IOS_SDK"
-    - DESTINATION="OS=10.3.1,name=iPhone 7 Plus"               SCHEME="$IOS_FRAMEWORK_SCHEME"        SDK="$IOS_SDK"
-    - DESTINATION="OS=2.2,name=Apple Watch - 42mm"             SCHEME="$WATCHOS_FRAMEWORK_SCHEME"    SDK="$WATCHOS_SDK"
+    - DESTINATION="OS=9.3,name=iPhone 7 Plus"                  SCHEME="$IOS_FRAMEWORK_SCHEME"        SDK="$IOS_SDK"
+    - DESTINATION="OS=10.3,name=iPhone 8 Plus"                 SCHEME="$IOS_FRAMEWORK_SCHEME"        SDK="$IOS_SDK"
+    - DESTINATION="OS=11.0,name=iPhone X"                      SCHEME="$IOS_FRAMEWORK_SCHEME"        SDK="$IOS_SDK"
     - DESTINATION="OS=3.2,name=Apple Watch Series 2 - 42mm"    SCHEME="$WATCHOS_FRAMEWORK_SCHEME"    SDK="$WATCHOS_SDK"
-    - DESTINATION="OS=9.2,name=Apple TV 1080p"                 SCHEME="$TVOS_FRAMEWORK_SCHEME"       SDK="$TVOS_SDK"
+    - DESTINATION="OS=4.0,name=Apple Watch Series 3 - 42mm"    SCHEME="$WATCHOS_FRAMEWORK_SCHEME"    SDK="$WATCHOS_SDK"
     - DESTINATION="OS=10.2,name=Apple TV 1080p"                SCHEME="$TVOS_FRAMEWORK_SCHEME"       SDK="$TVOS_SDK"
+    - DESTINATION="OS=11.0,name=Apple TV 4K"                   SCHEME="$TVOS_FRAMEWORK_SCHEME"       SDK="$TVOS_SDK"
 
 script:
   - set -o pipefail