diff --git a/.gitmodules b/.gitmodules
index 6a7951ef..d6a01d5d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "Vendor/AFNetworking"]
 	path = Vendor/AFNetworking
 	url = https://github.com/AFNetworking/AFNetworking.git
+[submodule "Vendor/TransitionKit"]
+	path = Vendor/TransitionKit
+	url = git@github.com:blakewatters/TransitionKit.git
diff --git a/RestKit.podspec b/RestKit.podspec
index 229403f0..f398b529 100644
--- a/RestKit.podspec
+++ b/RestKit.podspec
@@ -69,5 +69,6 @@ EOS
   s.subspec 'Support' do |ss|
     ss.header_dir     = 'RestKit/Support'
     ss.source_files   = 'Code/Support'
+    ss.dependency 'TransitionKit', '1.1.0'
   end
 end
diff --git a/Vendor/TransitionKit b/Vendor/TransitionKit
new file mode 160000
index 00000000..86cbe417
--- /dev/null
+++ b/Vendor/TransitionKit
@@ -0,0 +1 @@
+Subproject commit 86cbe417ac73941a8f1f9845c0f85db8d7b810ec