diff --git a/pkgs/by-name/bu/buck2/hashes.json b/pkgs/by-name/bu/buck2/hashes.json
index a48ac27b94eec..0daa44cb729b0 100644
--- a/pkgs/by-name/bu/buck2/hashes.json
+++ b/pkgs/by-name/bu/buck2/hashes.json
@@ -1,7 +1,7 @@
-{ "_comment": "@generated by pkgs/development/tools/build-managers/buck2/update.sh"
-, "_prelude": "sha256-R2aC8tcg21UBEHdQzL4xOnOQc6p48ObvGswGqfmY2WM="
-, "x86_64-linux": "sha256-vyBsK0dj/SYsB36ks8v+ysLC7Pq+Bg1bY3V9Vk+onnE="
-, "x86_64-darwin": "sha256-7QKrAtAiCC8uimA7ttWlTK+JaaHt0p+lYfxGKahQ+Bs="
-, "aarch64-linux": "sha256-Jh+S0eeCZ8DKIZGQWVetQiMshyKgTMPZm9W7U2cpkMk="
-, "aarch64-darwin": "sha256-xEc0DUSjOOthSLCFTq2qZVt4TQL3EpMdl3iaPY6WFgU="
+{ "_comment": "@generated by pkgs/by-name/bu/buck2/update.sh"
+, "_prelude": "sha256-o/YUIu8vuIIk2kfkMaijZNVLqwELwum4mFJ9sbqnDIs="
+, "x86_64-linux": "sha256-kN+nB1PAYIxG52BGM7kOmgUxVDKXhcWzyGyvWQ+CvTo="
+, "x86_64-darwin": "sha256-oRDdUjHwtGB4xBj0tzJEIiAyI6LUVEVQbjNqdEJwu5E="
+, "aarch64-linux": "sha256-9Y5ODzE90sAIKjxtZMA8nEkKPLfrpcQjPw0HPzzh/Hs="
+, "aarch64-darwin": "sha256-kyPtJvkJ/fWCFqwtueqXsiazeu8xcAeXxvwQG+FjQ4M="
 }
diff --git a/pkgs/by-name/bu/buck2/package.nix b/pkgs/by-name/bu/buck2/package.nix
index 1d603c53938f6..c0571aa758be3 100644
--- a/pkgs/by-name/bu/buck2/package.nix
+++ b/pkgs/by-name/bu/buck2/package.nix
@@ -44,7 +44,7 @@ let
   buildHashes = builtins.fromJSON (builtins.readFile ./hashes.json);
 
   # our version of buck2; this should be a git tag
-  version = "2024-10-15";
+  version = "2025-01-02";
 
   # the platform-specific, statically linked binary — which is also
   # zstd-compressed
@@ -72,7 +72,7 @@ let
   # tooling
   prelude-src =
     let
-      prelude-hash = "615f852ad43a901d8a09b2cbbb3aefff61626c52";
+      prelude-hash = "d11a72de049a37b9b218a3ab8db33d3f97b9413c";
       name = "buck2-prelude-${version}.tar.gz";
       hash = buildHashes."_prelude";
       url = "https://github.com/facebook/buck2-prelude/archive/${prelude-hash}.tar.gz";