diff --git a/pkgs/by-name/li/libmodbus/package.nix b/pkgs/by-name/li/libmodbus/package.nix
index 2e1f1c851fe3..de1ce0718503 100644
--- a/pkgs/by-name/li/libmodbus/package.nix
+++ b/pkgs/by-name/li/libmodbus/package.nix
@@ -7,13 +7,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "libmodbus";
-  version = "3.1.11";
+  version = "3.1.12";
 
   src = fetchFromGitHub {
     owner = "stephane";
     repo = "libmodbus";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-d/diR9yeV0WY0C6wqxYZfOjEKFeWTvN73MxcWtXPOJc=";
+    hash = "sha256-DqR0E8ODZFGDx3r92XS+rLRqPD55yOi+NhU0gMRK7KY=";
   };
 
   nativeBuildInputs = [ autoreconfHook ];