--- a/pipes-safe.cabal
+++ b/pipes-safe.cabal
@@ -36,14 +36,14 @@ Source-Repository head
 
 Library
     Build-Depends:
-        base              >= 4.14    && < 4.19,
-        containers        >= 0.6.2.1 && < 0.7 ,
+        base              >= 4.14    && < 4.22,
+        containers        >= 0.6.2.1 && < 0.9 ,
         exceptions        >= 0.10.4  && < 0.11,
         mtl               >= 2.2.2   && < 2.4 ,
         transformers      >= 0.5.6.2 && < 0.7 ,
         transformers-base >= 0.4.4   && < 0.5 ,
         monad-control     >= 1.0.0.4 && < 1.1 ,
-        primitive         >= 0.7.0.0 && < 0.9 ,
+        primitive         >= 0.7.0.0 && < 0.10 ,
         pipes             >= 4.3.10  && < 4.4
     Exposed-Modules:
         Pipes.Safe,
