diff --git a/pkgs/development/libraries/libplctag/default.nix b/pkgs/development/libraries/libplctag/default.nix
index 41283ed7ccd0..6ca637a5b515 100644
--- a/pkgs/development/libraries/libplctag/default.nix
+++ b/pkgs/development/libraries/libplctag/default.nix
@@ -6,13 +6,13 @@
 
 stdenv.mkDerivation rec {
   pname = "libplctag";
-  version = "2.3.6";
+  version = "2.3.7";
 
   src = fetchFromGitHub {
     owner = "libplctag";
     repo = "libplctag";
     rev = "v${version}";
-    sha256 = "sha256-mrNEUNYxnRyKhUCz+exp6Upf2g/L6WnYJ8alcIx5wMc=";
+    sha256 = "sha256-AGU1/56OO96njWLSS91HBSe2tFXBwKzJMSh2/m6Fv0E=";
   };
 
   nativeBuildInputs = [ cmake ];