diff --git a/pkgs/development/python-modules/ipydatawidgets/default.nix b/pkgs/development/python-modules/ipydatawidgets/default.nix
index 09a7ddab4746..df7fe7ac3fc2 100644
--- a/pkgs/development/python-modules/ipydatawidgets/default.nix
+++ b/pkgs/development/python-modules/ipydatawidgets/default.nix
@@ -14,13 +14,13 @@
 
 buildPythonPackage rec {
   pname = "ipydatawidgets";
-  version = "4.3.3";
+  version = "4.3.5";
 
   disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-T7LOaT+yaM2ukAN0z6GpFkHiLZUU0eweYtp0cFCST3Y=";
+    hash = "sha256-OU8kiVdlh8/XVTd6CaBn9GytIggZZQkgIf0avL54Uqg=";
   };
 
   nativeBuildInputs = [