diff --git a/aws-lambda-haskell-runtime.cabal b/aws-lambda-haskell-runtime.cabal
--- a/aws-lambda-haskell-runtime.cabal
+++ b/aws-lambda-haskell-runtime.cabal
@@ -1,13 +1,13 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.33.0.
+-- This file has been generated from package.yaml by hpack version 0.34.1.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: f12bd3188248690adb9f0c4972dd66cb983b9057555d14205384c600255cb999
+-- hash: c833537a67bfa0d976f4297649380558f7db943dcac5a1b180e2ee2401abb3f7
 
 name:           aws-lambda-haskell-runtime
-version:        3.0.2
+version:        3.0.3
 synopsis:       Haskell runtime for AWS Lambda
 description:    Please see the README on GitHub at <https://github.com/theam/aws-lambda-haskell-runtime#readme>
 category:       AWS
diff --git a/src/Aws/Lambda/Runtime/ApiGatewayInfo.hs b/src/Aws/Lambda/Runtime/ApiGatewayInfo.hs
--- a/src/Aws/Lambda/Runtime/ApiGatewayInfo.hs
+++ b/src/Aws/Lambda/Runtime/ApiGatewayInfo.hs
@@ -31,7 +31,7 @@
   , apiGatewayRequestPath                  :: !Text
   , apiGatewayRequestHttpMethod            :: !Text
   , apiGatewayRequestHeaders               :: !(HashMap Text Text)
-  , apiGatewayRequestQueryStringParameters :: !(Maybe [(Text, Maybe Text)])
+  , apiGatewayRequestQueryStringParameters :: !(Maybe (HashMap Text Text))
   , apiGatewayRequestPathParameters        :: !(Maybe (HashMap Text Text))
   , apiGatewayRequestStageVariables        :: !(Maybe (HashMap Text Text))
   , apiGatewayRequestIsBase64Encoded       :: !Bool