diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 ## Version
 
-`1.0.0`
+`1.0.1`
 
 
 ## Description
diff --git a/amazonka-cognito-identity.cabal b/amazonka-cognito-identity.cabal
--- a/amazonka-cognito-identity.cabal
+++ b/amazonka-cognito-identity.cabal
@@ -1,5 +1,5 @@
 name:                  amazonka-cognito-identity
-version:               1.0.0
+version:               1.0.1
 synopsis:              Amazon Cognito Identity SDK.
 homepage:              https://github.com/brendanhay/amazonka
 license:               OtherLicense
@@ -103,7 +103,7 @@
         , Network.AWS.CognitoIdentity.Types.Sum
 
     build-depends:
-          amazonka-core == 1.0.0.*
+          amazonka-core == 1.0.1.*
         , base          >= 4.7     && < 5
 
 test-suite amazonka-cognito-identity-test
@@ -122,9 +122,9 @@
         , Test.AWS.CognitoIdentity.Internal
 
     build-depends:
-          amazonka-core == 1.0.0
-        , amazonka-test == 1.0.0
-        , amazonka-cognito-identity == 1.0.0
+          amazonka-core == 1.0.1
+        , amazonka-test == 1.0.1
+        , amazonka-cognito-identity == 1.0.1
         , base
         , bytestring
         , lens
diff --git a/gen/Network/AWS/CognitoIdentity/Types/Sum.hs b/gen/Network/AWS/CognitoIdentity/Types/Sum.hs
--- a/gen/Network/AWS/CognitoIdentity/Types/Sum.hs
+++ b/gen/Network/AWS/CognitoIdentity/Types/Sum.hs
@@ -29,12 +29,12 @@
         "accessdenied" -> pure AccessDenied
         "internalservererror" -> pure InternalServerError
         e -> fromTextError $ "Failure parsing CognitoErrorCode from value: '" <> e
-           <> "'. Accepted values: accessdenied, internalservererror"
+           <> "'. Accepted values: AccessDenied, InternalServerError"
 
 instance ToText CognitoErrorCode where
     toText = \case
-        AccessDenied -> "accessdenied"
-        InternalServerError -> "internalservererror"
+        AccessDenied -> "AccessDenied"
+        InternalServerError -> "InternalServerError"
 
 instance Hashable     CognitoErrorCode
 instance ToByteString CognitoErrorCode