diff --git a/pkgs/by-name/tt/ttfb/package.nix b/pkgs/by-name/tt/ttfb/package.nix
index fbd89da0064c..61414492cff0 100644
--- a/pkgs/by-name/tt/ttfb/package.nix
+++ b/pkgs/by-name/tt/ttfb/package.nix
@@ -8,11 +8,11 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "ttfb";
-  version = "1.14.0";
+  version = "1.15.0";
 
   src = fetchCrate {
     inherit pname version;
-    hash = "sha256-TElRWWPTwigyLikda7FdDh0tSC67XdPDg/Gu5aVQlAw=";
+    hash = "sha256-OOVqCWeF5cHMweEGWYIiWWWsw1QlNDFgnia05Qxo7uo=";
   };
 
   buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [
@@ -20,7 +20,7 @@ rustPlatform.buildRustPackage rec {
   ];
 
   useFetchCargoVendor = true;
-  cargoHash = "sha256-NXwSqTshaC5hnyruSQFgFQRqRTmINMnMZsaisuudqvY=";
+  cargoHash = "sha256-4Nsg5/66enMgAfPrUQHuhOTTwG2OWyyvKMHIhPnlHko=";
 
   # The bin feature activates all dependencies of the binary. Otherwise,
   # only the library is build.