diff --git a/pkgs/development/tools/buf/default.nix b/pkgs/development/tools/buf/default.nix
index 0f7904fe9bbb..128dd4834995 100644
--- a/pkgs/development/tools/buf/default.nix
+++ b/pkgs/development/tools/buf/default.nix
@@ -10,16 +10,16 @@
 
 buildGoModule rec {
   pname = "buf";
-  version = "1.3.0";
+  version = "1.4.0";
 
   src = fetchFromGitHub {
     owner = "bufbuild";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-rOT7HuvbJFRyBOmCNmx5Vic4zckYgS+1BB0PcpwD9OQ=";
+    sha256 = "sha256-cKb9pZYEsO1thgtl/8XFJHpNrO6P3OR8Lox/Gf9ccYk=";
   };
 
-  vendorSha256 = "sha256-qIWZYsl1hFV4Ts27WSyjQAQ+jWjtLLG+A+yS0Ms7hfI=";
+  vendorSha256 = "sha256-zXLvKEdiIFnmwWQBgbJHCEBe2i7FobgeUOnA3LvHl8w=";
 
   patches = [
     # Skip a test that requires networking to be available to work.