diff --git a/pkgs/development/python-modules/reportlab/default.nix b/pkgs/development/python-modules/reportlab/default.nix
index 08800552607..eba47a3b2d1 100644
--- a/pkgs/development/python-modules/reportlab/default.nix
+++ b/pkgs/development/python-modules/reportlab/default.nix
@@ -11,11 +11,11 @@ let
   ft = freetype.overrideAttrs (oldArgs: { dontDisableStatic = true; });
 in buildPythonPackage rec {
   pname = "reportlab";
-  version = "3.5.20";
+  version = "3.5.21";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "06l7jfax1izvbddmmjw9xpyb7iy4n99v3chyv75d9djaklnqs93v";
+    sha256 = "08e6e63a4502d3a00062ba9ff9669f95577fbdb1a5f8c6cdb1230c5ee295273a";
   };
 
   checkInputs = [ glibcLocales ];