diff --git a/core-webserver-warp.cabal b/core-webserver-warp.cabal
--- a/core-webserver-warp.cabal
+++ b/core-webserver-warp.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           core-webserver-warp
-version:        0.2.1.1
+version:        0.2.1.2
 synopsis:       Interoperability with Wai/Warp
 description:    This is part of a library to help build command-line programs, both tools and
                 longer-running daemons.
@@ -47,7 +47,7 @@
     , core-telemetry >=0.2.7
     , core-text
     , http-types
-    , http2 <4
+    , http2
     , mtl
     , safe-exceptions
     , vault
diff --git a/lib/Core/Webserver/Warp.hs b/lib/Core/Webserver/Warp.hs
--- a/lib/Core/Webserver/Warp.hs
+++ b/lib/Core/Webserver/Warp.hs
@@ -40,7 +40,7 @@
 @
 application :: 'Application'
 application = request sendResponse =
-    sendResponse ('Network.WAI.responseLBS' 'Network.HTTP.Types.status200' [] \"Hello World\")
+    sendResponse ('Network.Wai.responseLBS' 'Network.HTTP.Types.status200' [] \"Hello World\")
 @
 
 performs the heroic duty of replying to you with the given string. In
@@ -96,15 +96,9 @@
     ( Status
     , hContentType
     , status400
-    , status413
-    , status431
     , status500
     , statusCode
     )
-import Network.HTTP2.Frame
-    ( ErrorCodeId (UnknownErrorCode)
-    , HTTP2Error (ConnectionError)
-    )
 import Network.Wai
 import Network.Wai.Handler.Warp (InvalidRequest, Port)
 import Network.Wai.Handler.Warp qualified as Warp
@@ -253,12 +247,6 @@
     | Just (_ :: InvalidRequest) <-
         fromException e =
         (status400, intoRope (displayException e))
-    | Just (ConnectionError (UnknownErrorCode 413) t) <-
-        fromException e =
-        (status413, intoRope t)
-    | Just (ConnectionError (UnknownErrorCode 431) t) <-
-        fromException e =
-        (status431, intoRope t)
     | otherwise =
         (status500, "Internal Server Error")