diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -26,3 +26,5 @@
 ## Licence
 
 `amazonka-sts` 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-sts.cabal b/amazonka-sts.cabal
--- a/amazonka-sts.cabal
+++ b/amazonka-sts.cabal
@@ -1,5 +1,5 @@
 name:                  amazonka-sts
-version:               0.0.4
+version:               0.0.5
 synopsis:              Amazon Security Token Service SDK.
 homepage:              https://github.com/brendanhay/amazonka
 license:               OtherLicense
@@ -46,5 +46,5 @@
     other-modules:
 
     build-depends:
-          amazonka-core == 0.0.4.*
+          amazonka-core == 0.0.5.*
         , base          >= 4.7     && < 5
diff --git a/gen/Network/AWS/STS.hs b/gen/Network/AWS/STS.hs
--- a/gen/Network/AWS/STS.hs
+++ b/gen/Network/AWS/STS.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.
 
 -- | The AWS Security Token Service (STS) is a web service that enables you to
 -- request temporary, limited-privilege credentials for AWS Identity and Access
diff --git a/gen/Network/AWS/STS/AssumeRole.hs b/gen/Network/AWS/STS/AssumeRole.hs
--- a/gen/Network/AWS/STS/AssumeRole.hs
+++ b/gen/Network/AWS/STS/AssumeRole.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 set of temporary security credentials (consisting of an access key
 -- ID, a secret access key, and a security token) that you can use to access AWS
diff --git a/gen/Network/AWS/STS/AssumeRoleWithSAML.hs b/gen/Network/AWS/STS/AssumeRoleWithSAML.hs
--- a/gen/Network/AWS/STS/AssumeRoleWithSAML.hs
+++ b/gen/Network/AWS/STS/AssumeRoleWithSAML.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 set of temporary security credentials for users who have been
 -- authenticated via a SAML authentication response. This operation provides a
diff --git a/gen/Network/AWS/STS/AssumeRoleWithWebIdentity.hs b/gen/Network/AWS/STS/AssumeRoleWithWebIdentity.hs
--- a/gen/Network/AWS/STS/AssumeRoleWithWebIdentity.hs
+++ b/gen/Network/AWS/STS/AssumeRoleWithWebIdentity.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 set of temporary security credentials for users who have been
 -- authenticated in a mobile or web application with a web identity provider,
diff --git a/gen/Network/AWS/STS/DecodeAuthorizationMessage.hs b/gen/Network/AWS/STS/DecodeAuthorizationMessage.hs
--- a/gen/Network/AWS/STS/DecodeAuthorizationMessage.hs
+++ b/gen/Network/AWS/STS/DecodeAuthorizationMessage.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.
 
 -- | Decodes additional information about the authorization status of a request
 -- from an encoded message returned in response to an AWS request.
diff --git a/gen/Network/AWS/STS/GetFederationToken.hs b/gen/Network/AWS/STS/GetFederationToken.hs
--- a/gen/Network/AWS/STS/GetFederationToken.hs
+++ b/gen/Network/AWS/STS/GetFederationToken.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 set of temporary security credentials (consisting of an access key
 -- ID, a secret access key, and a security token) for a federated user. A
diff --git a/gen/Network/AWS/STS/GetSessionToken.hs b/gen/Network/AWS/STS/GetSessionToken.hs
--- a/gen/Network/AWS/STS/GetSessionToken.hs
+++ b/gen/Network/AWS/STS/GetSessionToken.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 set of temporary credentials for an AWS account or IAM user. The
 -- credentials consist of an access key ID, a secret access key, and a security
diff --git a/gen/Network/AWS/STS/Types.hs b/gen/Network/AWS/STS/Types.hs
--- a/gen/Network/AWS/STS/Types.hs
+++ b/gen/Network/AWS/STS/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.STS.Types
     (