diff --git a/pkgs/os-specific/linux/ell/default.nix b/pkgs/os-specific/linux/ell/default.nix
index 5800fd15e54..b10d45d8a4b 100644
--- a/pkgs/os-specific/linux/ell/default.nix
+++ b/pkgs/os-specific/linux/ell/default.nix
@@ -7,14 +7,14 @@
 
 stdenv.mkDerivation rec {
   pname = "ell";
-  version = "0.20";
+  version = "0.21";
 
   outputs = [ "out" "dev" ];
 
   src = fetchgit {
      url = "https://git.kernel.org/pub/scm/libs/${pname}/${pname}.git";
      rev = version;
-     sha256 = "1g143dbc7cfks63k9yi2m8hpgfp9jj5b56s3hyxjzxm9dac3yn6c";
+     sha256 = "0m7fk2xgzsz7am0wjw98sqa42zpw3cz3hz399niw5rj8dbqh0zpy";
   };
 
   patches = [