diff --git a/pkgs/development/libraries/gensio/default.nix b/pkgs/development/libraries/gensio/default.nix
index ea3fd6e1ac78..8a895c36e865 100644
--- a/pkgs/development/libraries/gensio/default.nix
+++ b/pkgs/development/libraries/gensio/default.nix
@@ -9,13 +9,13 @@
 
 stdenv.mkDerivation rec {
   pname = "gensio";
-  version = "2.8.4";
+  version = "2.8.5";
 
   src = fetchFromGitHub {
     owner = "cminyard";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-UPAYqgZSJMp6/pRIVJYqh8i5olBSVoMUv2zCd14JBOg=";
+    sha256 = "sha256-J1fP3CtTLkUMZxzsbu3ZMbg4ag1NFvaI5AibFT7eZso=";
   };
 
   passthru = {