diff --git a/pkgs/development/python-modules/pyexcel-io/default.nix b/pkgs/development/python-modules/pyexcel-io/default.nix
index 6fe2245385a..15014cdafd2 100644
--- a/pkgs/development/python-modules/pyexcel-io/default.nix
+++ b/pkgs/development/python-modules/pyexcel-io/default.nix
@@ -7,13 +7,13 @@
 
 buildPythonPackage rec {
   pname = "pyexcel-io";
-  version = "0.6.3";
+  version = "0.6.4";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "8fb7a201eb3e5763bb8f9d6e096ceed9e5f1baecd784c9fadbe0fb3d59174c0e";
+    sha256 = "00f15f4bae2947de49b3206f2600f78780008e044380f7aafe0ce52969cda4ca";
   };
 
   propagatedBuildInputs = [