diff --git a/pkgs/development/python-modules/vega/default.nix b/pkgs/development/python-modules/vega/default.nix
index 1813ae587c1a..09106e3a6d49 100644
--- a/pkgs/development/python-modules/vega/default.nix
+++ b/pkgs/development/python-modules/vega/default.nix
@@ -3,11 +3,11 @@
 
 buildPythonPackage rec {
   pname = "vega";
-  version = "1.3.0";
+  version = "1.4.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "2c5561238fbd4a0669aea457decb47c5155e9741b47a41f23cc030387f725edc";
+    sha256 = "cf9701dac0111c09ea009ab06cbb81f27b1d9c23ebf58ebdf08b6994a37f13ac";
   };
 
   buildInputs = [ pytest ];