diff --git a/pkgs/by-name/s2/s2n-tls/package.nix b/pkgs/by-name/s2/s2n-tls/package.nix
index 283415040952c..ed32948833944 100644
--- a/pkgs/by-name/s2/s2n-tls/package.nix
+++ b/pkgs/by-name/s2/s2n-tls/package.nix
@@ -8,13 +8,13 @@
 
 stdenv.mkDerivation rec {
   pname = "s2n-tls";
-  version = "1.5.11";
+  version = "1.5.12";
 
   src = fetchFromGitHub {
     owner = "aws";
     repo = "s2n-tls";
     rev = "v${version}";
-    hash = "sha256-3eh4+y3XyO2sUfPhkOeF5fKgakFz9f4zLceYqklEYBw=";
+    hash = "sha256-kK5/4j4Lvk0dMIi2S/iMUWDeIwfjAXr3ds6prm9Ym3A=";
   };
 
   nativeBuildInputs = [ cmake ];