diff --git a/hal.cabal b/hal.cabal
--- a/hal.cabal
+++ b/hal.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 3b85d41bf94d4c072cef0d5534d7e8207a495eccfbaad524eaff1b922bcbc8c9
+-- hash: 8d35e8a815b7bdb309aebceaefc610f970e0bd9fffe62b2356a9611ad61dbeb9
 
 name:           hal
-version:        0.3.3
+version:        0.3.4
 synopsis:       A runtime environment for Haskell applications running on AWS Lambda.
 description:    This library uniquely supports different types of AWS Lambda Handlers for your
                 needs/comfort with advanced Haskell. Instead of exposing a single function
diff --git a/src/AWS/Lambda/Runtime.hs b/src/AWS/Lambda/Runtime.hs
--- a/src/AWS/Lambda/Runtime.hs
+++ b/src/AWS/Lambda/Runtime.hs
@@ -115,8 +115,8 @@
         $ maybeToEither "Runtime Error: Unable to decode Context from event response."
         -- Build the Dynamic Context, collapsing individual Maybes into a single Maybe
         $ DynamicContext (decodeUtf8 reqIdBS)
-        <$> mTraceId
-        <*> mFunctionArn
+        <$> mFunctionArn
+        <*> mTraceId
         <*> mDeadline
         <*> mClientContext
         <*> mIdentity