--- a/ekg-core.cabal
+++ b/ekg-core.cabal
@@ -33,10 +33,10 @@ library
     System.Metrics.ThreadId
 
   build-depends:
-    ghc-prim < 0.6,
-    base >= 4.6 && < 4.14,
+    ghc-prim < 0.10,
+    base >= 4.6 && < 5,
     containers >= 0.5 && < 0.7,
-    text < 1.3,
+    text < 2.1,
     unordered-containers < 0.3
 
   default-language:    Haskell2010
