diff --git a/pkgs/tools/networking/ocserv/default.nix b/pkgs/tools/networking/ocserv/default.nix
index 63a74c3ddb61..fdb281e6c372 100644
--- a/pkgs/tools/networking/ocserv/default.nix
+++ b/pkgs/tools/networking/ocserv/default.nix
@@ -5,13 +5,13 @@
 
 stdenv.mkDerivation rec {
   name = "ocserv-${version}";
-  version = "0.12.2";
+  version = "0.12.3";
 
   src = fetchFromGitLab {
     owner = "openconnect";
     repo = "ocserv";
     rev = "ocserv_${stdenv.lib.replaceStrings [ "." ] [ "_" ] version}";
-    sha256 = "13lijg5qkkpn35laaimpw9l5g2dnnbmqn74lpcknmp6nm6j2wvci";
+    sha256 = "072256099l1c6p7dvvzp0gyafh1zvmmgmnpy0fcmv9sy80qg3p44";
   };
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];