diff --git a/pkgs/development/python-modules/regex/default.nix b/pkgs/development/python-modules/regex/default.nix
index e4d6baeb425..efb299161b8 100644
--- a/pkgs/development/python-modules/regex/default.nix
+++ b/pkgs/development/python-modules/regex/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "regex";
-  version = "2020.11.13";
+  version = "2021.3.17";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "83d6b356e116ca119db8e7c6fc2983289d87b27b3fac238cfe5dca529d884562";
+    sha256 = "4b8a1fb724904139149a43e172850f35aa6ea97fb0545244dc0b805e0154ed68";
   };
 
   postCheck = ''