diff --git a/static-canvas.cabal b/static-canvas.cabal
index d8fae60..1084432 100644
--- a/static-canvas.cabal
+++ b/static-canvas.cabal
@@ -28,9 +28,9 @@ library
   other-modules:       Graphics.Static.Types
                        Graphics.Static.Interpreter
                        Graphics.Static.Javascript
-  build-depends:       base >=4.5 && < 4.11,
+  build-depends:       base >=4.5 && < 4.13,
                        mtl >= 2.1 && < 2.3,
-                       free >= 4.9 && < 4.13,
+                       free >= 4.9 && < 5.2,
                        text >=0.11 && < 1.3,
                        double-conversion >= 2.0 && < 2.1
   hs-source-dirs:      src