diff --git a/pkgs/by-name/oc/ocserv/package.nix b/pkgs/by-name/oc/ocserv/package.nix
index f6dbd0116827..60ce8def4355 100644
--- a/pkgs/by-name/oc/ocserv/package.nix
+++ b/pkgs/by-name/oc/ocserv/package.nix
@@ -4,6 +4,7 @@
   fetchFromGitLab,
   autoreconfHook,
   pkg-config,
+  ipcalc,
   nettle,
   gnutls,
   libev,
@@ -14,21 +15,20 @@
   gperf,
   readline,
   lz4,
-  libgssglue,
   ronn,
   pam,
   libxcrypt,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "ocserv";
-  version = "1.2.4";
+  version = "1.3.0";
 
   src = fetchFromGitLab {
     owner = "openconnect";
     repo = "ocserv";
-    rev = version;
-    hash = "sha256-IYiYC9oAw35YjpptUEnhuZQqoDevku25r7qi6SG8xtk=";
+    tag = finalAttrs.version;
+    hash = "sha256-oZ1t1BTCdsq1jpa7LfzRGwQNTROHH9/lLBT2WAvj5h4=";
   };
 
   nativeBuildInputs = [
@@ -38,6 +38,7 @@ stdenv.mkDerivation rec {
     ronn
   ];
   buildInputs = [
+    ipcalc
     nettle
     gnutls
     libev
@@ -47,15 +48,14 @@ stdenv.mkDerivation rec {
     libseccomp
     readline
     lz4
-    libgssglue
     pam
     libxcrypt
   ];
 
-  meta = with lib; {
+  meta = {
     homepage = "https://gitlab.com/openconnect/ocserv";
-    license = licenses.gpl2Plus;
+    license = lib.licenses.gpl2Plus;
     description = "OpenConnect VPN server (ocserv), a server for the OpenConnect VPN client";
-    maintainers = with maintainers; [ neverbehave ];
+    maintainers = with lib.maintainers; [ neverbehave ];
   };
-}
+})