diff --git a/wuss.cabal b/wuss.cabal
--- a/wuss.cabal
+++ b/wuss.cabal
@@ -1,7 +1,7 @@
 cabal-version: 2.2
 
 name: wuss
-version: 2.0.1.4
+version: 2.0.1.5
 
 synopsis: Secure WebSocket (WSS) clients
 description:
@@ -31,7 +31,7 @@
 
 common library
   build-depends:
-    , base >= 4.16.0 && < 4.19
+    , base >= 4.16.0 && < 4.20
     , bytestring >= 0.11.3 && < 0.12
     , crypton-connection >= 0.3.1 && < 0.4
     , exceptions >= 0.10.4 && < 0.11