diff --git a/pkgs/by-name/ad/ada/package.nix b/pkgs/by-name/ad/ada/package.nix
index ce13ea4d4473..024b422e81f6 100644
--- a/pkgs/by-name/ad/ada/package.nix
+++ b/pkgs/by-name/ad/ada/package.nix
@@ -14,13 +14,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "ada";
-  version = "3.4.2";
+  version = "3.4.3";
 
   src = fetchFromGitHub {
     owner = "ada-url";
     repo = "ada";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-+aXZY6JFfbw1N+EkenPhfp6ErUJFnbiJsgHpQq36Os4=";
+    hash = "sha256-CSFo5aXxN1jhmD9SUh8XysObEyOvm53XPzbwJyCE0WE=";
   };
 
   nativeBuildInputs = [