diff --git a/pkgs/development/libraries/pkcs11helper/default.nix b/pkgs/development/libraries/pkcs11helper/default.nix
index 4148ca4fc47..4de361a5984 100644
--- a/pkgs/development/libraries/pkcs11helper/default.nix
+++ b/pkgs/development/libraries/pkcs11helper/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "pkcs11-helper";
-  version = "1.27";
+  version = "1.28";
 
   src = fetchFromGitHub {
     owner = "OpenSC";
     repo = "pkcs11-helper";
     rev = "${pname}-${version}";
-    sha256 = "1idrqip59bqzcgddpnk2inin5n5yn4y0dmcyaggfpdishraiqgd5";
+    sha256 = "sha256-gy04f62TX42mW4hKD/jTZXTpz9v6gQXNrY/pv8Ie4p0=";
   };
 
   nativeBuildInputs = [ autoreconfHook pkg-config ];
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     homepage = "https://github.com/OpenSC/pkcs11-helper";
-    license = with licenses; [ bsd3 gpl2 ];
+    license = with licenses; [ bsd3 gpl2Only ];
     description = "Library that simplifies the interaction with PKCS#11 providers";
     platforms = platforms.unix;
   };