diff --git a/.kokoro b/.kokoro
index 76149df..afe9ece 100755
--- a/.kokoro
+++ b/.kokoro
@@ -21,7 +21,7 @@ set -e
 set -x
 
 BAZEL_VERSION="0.20.0"
-IOS_MINIMUM_OS="8.0"
+IOS_MINIMUM_OS="9.0"
 IOS_CPUS="i386,x86_64"
 
 get_xcode_version_from_path() {
diff --git a/.travis.yml b/.travis.yml
index 4e49237..e66b04c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,10 +13,6 @@ matrix:
       env: SDK="iphonesimulator11.2" DESTINATION="name=iPhone 6s,OS=10.3.1"
     - osx_image: xcode9.2
       env: SDK="iphonesimulator11.2" DESTINATION="name=iPhone 6s,OS=9.3"
-    - osx_image: xcode9.2
-      env: SDK="iphonesimulator11.2" DESTINATION="name=iPhone 6,OS=8.4"
-    - osx_image: xcode8.3
-      env: SDK="iphonesimulator10.3" DESTINATION="name=iPhone 6,OS=8.1"
 before_install:
   - gem install cocoapods --no-rdoc --no-ri --no-document --quiet
   - pod install --repo-update
diff --git a/BUILD b/BUILD
index 77a8368..e344490 100644
--- a/BUILD
+++ b/BUILD
@@ -77,7 +77,7 @@ ios_ui_test(
       ":UnitTestsSwiftLib"
     ],
     test_host = "@build_bazel_rules_apple//apple/testing/default_host/ios",
-    minimum_os_version = "8.0",
+    minimum_os_version = "9.0",
     timeout = "short",
     visibility = ["//visibility:private"],
 )
diff --git a/MotionAnimator.podspec b/MotionAnimator.podspec
index 1ada9f6..11341ba 100644
--- a/MotionAnimator.podspec
+++ b/MotionAnimator.podspec
@@ -6,7 +6,7 @@ Pod::Spec.new do |s|
   s.license      = "Apache 2.0"
   s.homepage     = "https://github.com/material-motion/motion-animator-objc"
   s.source       = { :git => "https://github.com/material-motion/motion-animator-objc.git", :tag => "v" + s.version.to_s }
-  s.platform     = :ios, "8.0"
+  s.platform     = :ios, "9.0"
   s.requires_arc = true
 
   s.public_header_files = "src/*.h"
diff --git a/README.md b/README.md
index 6b99a75..eb73949 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 ![Motion Animator Banner](img/motion-animator-banner.gif)
 
-> An animator for iOS 8+ that combines the best aspects of modern UIView and CALayer animation APIs.
+> An animator for iOS 9+ that combines the best aspects of modern UIView and CALayer animation APIs.
 
 [![Build Status](https://travis-ci.org/material-motion/motion-animator-objc.svg?branch=develop)](https://travis-ci.org/material-motion/motion-animator-objc)
 [![codecov](https://codecov.io/gh/material-motion/motion-animator-objc/branch/develop/graph/badge.svg)](https://codecov.io/gh/material-motion/motion-animator-objc)
@@ -16,7 +16,7 @@
   <tr><td>🎉</td><td>Consistent model layer value expectations.</td></tr>
 </table>
 
-The following properties can be implicitly animated using the MotionAnimator on iOS 8 and up:
+The following properties can be implicitly animated using the MotionAnimator on iOS 9 and up:
 
 <table>
   <tr><td>CALayer <tt>anchorPoint</tt></td></tr>
@@ -71,7 +71,7 @@ UIView.animate(withDuration: 1.0, animations: {
 })
 
 MotionAnimator.animate(withDuration: 1.0, animations: {
-  view.layer.cornerRadius = 10 // Works on iOS 8 and up
+  view.layer.cornerRadius = 10 // Works on iOS 9 and up
 })
 ```
 
@@ -443,7 +443,7 @@ UIView.animate(withDuration: 0.8, animations: {
   view.layer.borderWidth = 10
 }, completion: nil)
 
-// This works all the way back to iOS 8.
+// This works back to iOS 9.
 MotionAnimator.animate(withDuration: 0.8, animations: {
   view.layer.borderWidth = 10
 }, completion: nil)
diff --git a/examples/apps/Catalog/MotionAnimatorCatalog.xcodeproj/project.pbxproj b/examples/apps/Catalog/MotionAnimatorCatalog.xcodeproj/project.pbxproj
index 7b0732d..11be8e8 100644
--- a/examples/apps/Catalog/MotionAnimatorCatalog.xcodeproj/project.pbxproj
+++ b/examples/apps/Catalog/MotionAnimatorCatalog.xcodeproj/project.pbxproj
@@ -600,7 +600,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8;
+				IPHONEOS_DEPLOYMENT_TARGET = 9;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -640,7 +640,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8;
+				IPHONEOS_DEPLOYMENT_TARGET = 9;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";