1 files changed, 7 insertions, 3 deletions
diff --git a/pkgs/development/python-modules/mail-parser/default.nix b/pkgs/development/python-modules/mail-parser/default.nix
index fe68b507ecf4..94b575f3f468 100644
--- a/pkgs/development/python-modules/mail-parser/default.nix
+++ b/pkgs/development/python-modules/mail-parser/default.nix
@@ -2,20 +2,24 @@
 
 buildPythonPackage rec {
   pname = "mail-parser";
-  version = "3.9.3";
+  version = "3.12.0";
 
   # no tests in PyPI tarball
   src = fetchFromGitHub {
     owner = "SpamScope";
     repo = pname;
     rev = "v${version}";
-    sha256 = "0v6hgsz6yvp6csgx4y440ksqj24rdsd06vyfqcihiy3dfvp9229y";
+    sha256 = "0p851jlly6bzcs70kd1lcjwmg4scwh1icymfc0f2y6rkh4kfsdhk";
   };
 
   LC_ALL = "en_US.utf-8";
 
+  # remove version bounds
+  prePatch = ''
+    sed -i -e 's/==.*//g' requirements.txt
+  ''
   # ipaddress is part of the standard library of Python 3.3+
-  prePatch = lib.optionalString (!pythonOlder "3.3") ''
+  + lib.optionalString (!pythonOlder "3.3") ''
     substituteInPlace requirements.txt \
       --replace "ipaddress" ""
   '';