diff --git a/pkgs/development/python-modules/uproot/default.nix b/pkgs/development/python-modules/uproot/default.nix
index fdb465202be..59fc3517bfb 100644
--- a/pkgs/development/python-modules/uproot/default.nix
+++ b/pkgs/development/python-modules/uproot/default.nix
@@ -17,11 +17,11 @@
 
 buildPythonPackage rec {
   pname = "uproot";
-  version = "3.4.6";
+  version = "3.4.19";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1fafe476c26252e4dbd399456323778e76d23dc2f43cf6581a707d1647978610";
+    sha256 = "1df24d1f193b044cc4d6ef98e183a853655b568b7b15173d88b0d2a79e1226da";
   };
 
   nativeBuildInputs = [ pytestrunner ];