diff --git a/pkgs/development/ocaml-modules/cairo2/default.nix b/pkgs/development/ocaml-modules/cairo2/default.nix
index 1801a0679b5..0b560f2004f 100644
--- a/pkgs/development/ocaml-modules/cairo2/default.nix
+++ b/pkgs/development/ocaml-modules/cairo2/default.nix
@@ -3,11 +3,11 @@
 
 buildDunePackage rec {
   pname = "cairo2";
-  version = "0.6.2";
+  version = "0.6.4";
 
   src = fetchurl {
     url = "https://github.com/Chris00/ocaml-cairo/releases/download/${version}/cairo2-${version}.tbz";
-    sha256 = "sha256-a7P1kiVmIwT6Fhtwxs29ffgO4iexsulxUoc9cnJmEK4=";
+    sha256 = "sha256-QDVzUtcgXTpXNYVWQ4MMs0Xy24OP+dGaUyAYdg1GigU=";
   };
 
   minimalOCamlVersion = "4.02";