diff --git a/servant-server/servant-server.cabal b/servant-server/servant-server.cabal
index f354a1e8..6467717e 100644
--- a/servant-server/servant-server.cabal
+++ b/servant-server/servant-server.cabal
@@ -73,7 +73,7 @@ library
   -- strict dependency as we re-export 'servant' things.
   build-depends:
       servant             >= 0.19     && < 0.20
-    , http-api-data       >= 0.4.1    && < 0.4.4
+    , http-api-data       >= 0.4.1    && < 0.5.1
 
   -- Other dependencies: Lower bound around what is in the latest Stackage LTS.
   -- Here can be exceptions if we really need features from the newer versions.
diff --git a/servant/servant.cabal b/servant/servant.cabal
index 32b63feb..948eb4da 100644
--- a/servant/servant.cabal
+++ b/servant/servant.cabal
@@ -92,7 +92,7 @@ library
   -- We depend (heavily) on the API of these packages:
   -- i.e. re-export, or allow using without direct dependency
   build-depends:
-      http-api-data          >= 0.4.1    && < 0.4.4
+      http-api-data          >= 0.4.1    && < 0.5.1
     , singleton-bool         >= 0.1.4    && < 0.1.7
 
   -- Other dependencies: Lower bound around what is in the latest Stackage LTS.