diff --git a/diagrams-lib.cabal b/diagrams-lib.cabal
index c4ed3acc..64d6a16b 100644
--- a/diagrams-lib.cabal
+++ b/diagrams-lib.cabal
@@ -101,7 +101,7 @@ Library
                        Diagrams.TwoD.Vector,
                        Diagrams.Util
   Build-depends:       base >= 4.9 && < 4.20,
-                       containers >= 0.3 && < 0.8,
+                       containers >= 0.3 && < 0.7,
                        array >= 0.3 && < 0.6,
                        semigroups >= 0.3.4 && < 0.21,
                        monoid-extras >= 0.6 && < 0.7,