diff --git a/full-text-search.cabal b/full-text-search.cabal
index b273a07..d05ecc1 100644
--- a/full-text-search.cabal
+++ b/full-text-search.cabal
@@ -84,7 +84,7 @@ library
   build-depends:       base       >=4.5  && <4.21,
                        array      >=0.4  && <0.6,
                        vector     >=0.11 && <0.14,
-                       containers >=0.4  && <0.7,
+                       containers >=0.4  && <0.8,
                        text       >=0.11 && <2.2
   default-language:    Haskell2010
   ghc-options:         -Wall -funbox-strict-fields