diff --git a/pkgs/development/python-modules/plotly/default.nix b/pkgs/development/python-modules/plotly/default.nix
index e2fb97d20d4..0b226aa8547 100644
--- a/pkgs/development/python-modules/plotly/default.nix
+++ b/pkgs/development/python-modules/plotly/default.nix
@@ -11,11 +11,11 @@
 
 buildPythonPackage rec {
   pname = "plotly";
-  version = "3.3.0";
+  version = "3.4.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1bsjk4crf9p08lmgmiibmk8w8kmlrfadyly5l12zz1d330acijl1";
+    sha256 = "1pq5k1b4gwdbdsb0alzgmr54zjvzf0csw5lq8s61zh5jnhfgn23y";
   };
 
   propagatedBuildInputs = [