diff --git a/pkgs/development/python-modules/astunparse/default.nix b/pkgs/development/python-modules/astunparse/default.nix
index 8dbb4da70603..56570295dee7 100644
--- a/pkgs/development/python-modules/astunparse/default.nix
+++ b/pkgs/development/python-modules/astunparse/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "astunparse";
-  version =  "1.6.2";
+  version =  "1.6.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "dab3e426715373fd76cd08bb1abe64b550f5aa494cf1e32384f26fd60961eb67";
+    sha256 = "5ad93a8456f0d084c3456d059fd9a92cce667963232cbf763eac3bc5b7940872";
   };
 
   propagatedBuildInputs = [ six wheel ];