diff --git a/wai-problem-details.cabal b/wai-problem-details.cabal
--- a/wai-problem-details.cabal
+++ b/wai-problem-details.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.4
 name:               wai-problem-details
-version:            0.1.0.0
+version:            0.1.1.0
 synopsis:           Problem details middleware for WAI
 description:        
                     Problem details middleware for WAI.
@@ -29,7 +29,7 @@
     other-modules:    Network.Wai.Middleware.ProblemDetails.Internal.Types
                     , Network.Wai.Middleware.ProblemDetails.Internal.Defaults
                     , Network.Wai.Middleware.ProblemDetails.Internal.Exception
-    build-depends:    base               ^>=4.16.4.0
+    build-depends:    base               ^>=4.16.3.0
                     , aeson              >= 2.1.2 && < 2.2
                     , bytestring         >= 0.11.3 && < 0.12
                     , text               >= 1.2.5 && < 1.3
@@ -53,7 +53,7 @@
     type:             exitcode-stdio-1.0
     hs-source-dirs:   test
     main-is:          Spec.hs
-    build-depends:    base ^>=4.16.4.0
+    build-depends:    base ^>=4.16.3.0
                     , wai-problem-details
                     , http-types
                     , wai