diff --git a/pkgs/development/libraries/gensio/default.nix b/pkgs/development/libraries/gensio/default.nix
index c4d961f4b76..90fe4658267 100644
--- a/pkgs/development/libraries/gensio/default.nix
+++ b/pkgs/development/libraries/gensio/default.nix
@@ -8,13 +8,13 @@
 
 stdenv.mkDerivation rec {
   pname = "gensio";
-  version = "2.2.9";
+  version = "2.3.6";
 
   src = fetchFromGitHub {
     owner = "cminyard";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-SN8zMMBX02kIS9q1/7DO+t826DpmbZBO37TDZtvRT1A=";
+    sha256 = "sha256-aPTwN5DuUFPqLDwq73KvmBR8tEN5bIX6/JOZMfOAoow=";
   };
 
   passthru = {