diff --git a/nothunks.cabal b/nothunks.cabal
index 827898c..2077c2b 100644
--- a/nothunks.cabal
+++ b/nothunks.cabal
@@ -41,7 +41,7 @@ library
     exposed-modules:  NoThunks.Class
 
     build-depends:    base       >= 4.12 && < 5
-                    , containers >= 0.5  && < 0.7
+                    , containers >= 0.5  && < 0.8
                     , stm        >= 2.5  && < 2.6
                     , time       >= 1.5  && < 1.13