diff --git a/monoidal-containers.cabal b/monoidal-containers.cabal
index abed476..e758772 100644
--- a/monoidal-containers.cabal
+++ b/monoidal-containers.cabal
@@ -54,7 +54,7 @@ library
 
   build-depends:
       aeson                 >=1.0   && <2.2
-    , base                  >=4.7   && <4.18
+    , base                  >=4.7   && <4.19
     , containers            >=0.5.9 && <0.7
     , deepseq               >=1.3   && <1.5
     , hashable              >=1.2   && <1.5