diff --git a/.kokoro b/.kokoro
index 0137311..f542157 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/BUILD b/BUILD
index c1f3288..0d75e8b 100644
--- a/BUILD
+++ b/BUILD
@@ -64,7 +64,7 @@ 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/MotionTransitioning.podspec b/MotionTransitioning.podspec
index cfd45fa..3eb37f4 100644
--- a/MotionTransitioning.podspec
+++ b/MotionTransitioning.podspec
@@ -6,7 +6,7 @@ Pod::Spec.new do |s|
   s.license      = "Apache 2.0"
   s.homepage     = "https://github.com/material-motion/transitioning-objc"
   s.source       = { :git => "https://github.com/material-motion/transitioning-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"