diff --git a/pkgs/development/libraries/s2n-tls/default.nix b/pkgs/development/libraries/s2n-tls/default.nix
index 1d50f1d89fa4..8ef3df499261 100644
--- a/pkgs/development/libraries/s2n-tls/default.nix
+++ b/pkgs/development/libraries/s2n-tls/default.nix
@@ -8,13 +8,13 @@
 
 stdenv.mkDerivation rec {
   pname = "s2n-tls";
-  version = "1.4.8";
+  version = "1.4.9";
 
   src = fetchFromGitHub {
     owner = "aws";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-fDofKp/WUPY4+1HUeBdRklInTS7Qndycnci4h3F/mLY=";
+    hash = "sha256-YH35+kCvPjeBYMMJi7YdAGk/ds3YPm5SSKpoWfbCI3M=";
   };
 
   nativeBuildInputs = [ cmake ];