diff --git a/polysemy-plugin.cabal b/polysemy-plugin.cabal
--- a/polysemy-plugin.cabal
+++ b/polysemy-plugin.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           polysemy-plugin
-version:        0.4.5.0
+version:        0.4.5.1
 synopsis:       Disambiguate obvious uses of effects.
 description:    Please see the README on GitHub at <https://github.com/polysemy-research/polysemy/tree/master/polysemy-plugin#readme>
 category:       Polysemy
@@ -111,7 +111,7 @@
   build-depends:
       base >=4.9 && <5
     , containers >=0.5 && <0.7
-    , doctest >=0.16.0.1 && <0.22
+    , doctest >=0.16.0.1 && <0.23
     , ghc >=8.6.5 && <10
     , ghc-tcplugins-extra >=0.3 && <0.5
     , hspec >=2.6.0 && <3