diff --git a/KeenClient/3.1.1/KeenClient.podspec b/KeenClient/3.1.1/KeenClient.podspec
new file mode 100644
index 00000000..1ce5be9e
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+++ b/KeenClient/3.1.1/KeenClient.podspec
@@ -0,0 +1,21 @@
+Pod::Spec.new do |s|
+  s.name     = 'KeenClient'
+  s.version  = '3.1.1'
+  s.license  = 'MIT'
+  s.platform = :ios
+  s.summary  = 'Keen iOS client library.'
+  s.homepage = 'https://github.com/keenlabs/KeenClient-iOS'
+  s.author   = { 'Daniel Kador' => 'dan@keen.io' }
+  s.source   = { :git => 'https://github.com/keenlabs/KeenClient-iOS.git',
+                 :tag => 'v3.1.1' }
+
+  s.description = 'The Keen iOS client is designed to be simple to develop with, yet ' \
+                  'incredibly flexible.  Our goal is to let you decide what events are ' \
+                  'important to you, use your own vocabulary to describe them, and ' \
+                  'decide when you want to send them to Keen service.'
+
+  s.source_files = 'KeenClient'
+
+  s.dependency 'JSONKit'
+  s.dependency 'ISO8601DateFormatter', '>= 0.6'
+end
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