diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -34,3 +34,5 @@
 ## Licence
 
 `amazonka-lambda` is released under the [Mozilla Public License Version 2.0](http://www.mozilla.org/MPL/).
+
+Parts of the code are derived from AWS service descriptions, licensed under Apache 2.0.
diff --git a/amazonka-lambda.cabal b/amazonka-lambda.cabal
--- a/amazonka-lambda.cabal
+++ b/amazonka-lambda.cabal
@@ -1,5 +1,5 @@
 name:                  amazonka-lambda
-version:               0.0.4
+version:               0.0.5
 synopsis:              Amazon Lambda SDK.
 homepage:              https://github.com/brendanhay/amazonka
 license:               OtherLicense
@@ -59,5 +59,5 @@
     other-modules:
 
     build-depends:
-          amazonka-core == 0.0.4.*
+          amazonka-core == 0.0.5.*
         , base          >= 4.7     && < 5
diff --git a/gen/Network/AWS/Lambda.hs b/gen/Network/AWS/Lambda.hs
--- a/gen/Network/AWS/Lambda.hs
+++ b/gen/Network/AWS/Lambda.hs
@@ -7,6 +7,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | AWS Lambda is a compute service that runs your code in response to events and
 -- automatically manages the compute resources for you, making it easy to build
diff --git a/gen/Network/AWS/Lambda/AddEventSource.hs b/gen/Network/AWS/Lambda/AddEventSource.hs
--- a/gen/Network/AWS/Lambda/AddEventSource.hs
+++ b/gen/Network/AWS/Lambda/AddEventSource.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Identifies an Amazon Kinesis stream as the event source for an AWS Lambda
 -- function. AWS Lambda invokes the specified function when records are posted
diff --git a/gen/Network/AWS/Lambda/DeleteFunction.hs b/gen/Network/AWS/Lambda/DeleteFunction.hs
--- a/gen/Network/AWS/Lambda/DeleteFunction.hs
+++ b/gen/Network/AWS/Lambda/DeleteFunction.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Deletes the specified Lambda function code and configuration.
 --
diff --git a/gen/Network/AWS/Lambda/GetEventSource.hs b/gen/Network/AWS/Lambda/GetEventSource.hs
--- a/gen/Network/AWS/Lambda/GetEventSource.hs
+++ b/gen/Network/AWS/Lambda/GetEventSource.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Returns configuration information for the specified event source mapping (see 'AddEventSource').
 --
diff --git a/gen/Network/AWS/Lambda/GetFunction.hs b/gen/Network/AWS/Lambda/GetFunction.hs
--- a/gen/Network/AWS/Lambda/GetFunction.hs
+++ b/gen/Network/AWS/Lambda/GetFunction.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Returns the configuration information of the Lambda function and a presigned
 -- URL link to the .zip file you uploaded with 'UploadFunction' so you can
diff --git a/gen/Network/AWS/Lambda/GetFunctionConfiguration.hs b/gen/Network/AWS/Lambda/GetFunctionConfiguration.hs
--- a/gen/Network/AWS/Lambda/GetFunctionConfiguration.hs
+++ b/gen/Network/AWS/Lambda/GetFunctionConfiguration.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Returns the configuration information of the Lambda function. This the same
 -- information you provided as parameters when uploading the function by using 'UploadFunction'.
diff --git a/gen/Network/AWS/Lambda/InvokeAsync.hs b/gen/Network/AWS/Lambda/InvokeAsync.hs
--- a/gen/Network/AWS/Lambda/InvokeAsync.hs
+++ b/gen/Network/AWS/Lambda/InvokeAsync.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Submits an invocation request to AWS Lambda. Upon receiving the request,
 -- Lambda executes the specified function asynchronously. To see the logs
diff --git a/gen/Network/AWS/Lambda/ListEventSources.hs b/gen/Network/AWS/Lambda/ListEventSources.hs
--- a/gen/Network/AWS/Lambda/ListEventSources.hs
+++ b/gen/Network/AWS/Lambda/ListEventSources.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Returns a list of event source mappings. For each mapping, the API returns
 -- configuration information (see 'AddEventSource'). You can optionally specify
diff --git a/gen/Network/AWS/Lambda/ListFunctions.hs b/gen/Network/AWS/Lambda/ListFunctions.hs
--- a/gen/Network/AWS/Lambda/ListFunctions.hs
+++ b/gen/Network/AWS/Lambda/ListFunctions.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Returns a list of your Lambda functions. For each function, the response
 -- includes the function configuration information. You must use 'GetFunction' to
diff --git a/gen/Network/AWS/Lambda/RemoveEventSource.hs b/gen/Network/AWS/Lambda/RemoveEventSource.hs
--- a/gen/Network/AWS/Lambda/RemoveEventSource.hs
+++ b/gen/Network/AWS/Lambda/RemoveEventSource.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Removes an event source mapping. This means AWS Lambda will no longer invoke
 -- the function for events in the associated source.
diff --git a/gen/Network/AWS/Lambda/Types.hs b/gen/Network/AWS/Lambda/Types.hs
--- a/gen/Network/AWS/Lambda/Types.hs
+++ b/gen/Network/AWS/Lambda/Types.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 module Network.AWS.Lambda.Types
     (
diff --git a/gen/Network/AWS/Lambda/UpdateFunctionConfiguration.hs b/gen/Network/AWS/Lambda/UpdateFunctionConfiguration.hs
--- a/gen/Network/AWS/Lambda/UpdateFunctionConfiguration.hs
+++ b/gen/Network/AWS/Lambda/UpdateFunctionConfiguration.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Updates the configuration parameters for the specified Lambda function by
 -- using the values provided in the request. You provide only the parameters you
diff --git a/gen/Network/AWS/Lambda/UploadFunction.hs b/gen/Network/AWS/Lambda/UploadFunction.hs
--- a/gen/Network/AWS/Lambda/UploadFunction.hs
+++ b/gen/Network/AWS/Lambda/UploadFunction.hs
@@ -19,6 +19,8 @@
 -- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
 -- Stability   : experimental
 -- Portability : non-portable (GHC extensions)
+--
+-- Derived from AWS service descriptions, licensed under Apache 2.0.
 
 -- | Creates a new Lambda function or updates an existing function. The function
 -- metadata is created from the request parameters, and the code for the
