--- a/isomorphism-class.cabal
+++ b/isomorphism-class.cabal
@@ -33,7 +33,7 @@ common library-dependencies
     bytestring >=0.10 && <0.12,
     containers >=0.6 && <0.7,
     hashable >=1 && <2,
-    primitive >=0.7.3 && <0.8,
+    primitive >=0.7.3 && <0.9,
     text >=1.2 && <3,
     unordered-containers >=0.2 && <0.3,
     vector >=0.12 && <0.14,
