diff --git a/pkgs/development/tools/build-managers/buck2/default.nix b/pkgs/development/tools/build-managers/buck2/default.nix
index c1e504a2da5d..4e92900f1287 100644
--- a/pkgs/development/tools/build-managers/buck2/default.nix
+++ b/pkgs/development/tools/build-managers/buck2/default.nix
@@ -38,7 +38,7 @@ let
   buildHashes = builtins.fromJSON (builtins.readFile ./hashes.json);
 
   # our version of buck2; this should be a git tag
-  version = "2024-05-15";
+  version = "2024-10-15";
 
   # the platform-specific, statically linked binary — which is also
   # zstd-compressed
@@ -63,7 +63,7 @@ let
   # tooling
   prelude-src =
     let
-      prelude-hash = "4e9e6d50b8b461564a7e351ff60b87fe59d7e53b";
+      prelude-hash = "615f852ad43a901d8a09b2cbbb3aefff61626c52";
       name = "buck2-prelude-${version}.tar.gz";
       hash = buildHashes."_prelude";
       url = "https://github.com/facebook/buck2-prelude/archive/${prelude-hash}.tar.gz";
diff --git a/pkgs/development/tools/build-managers/buck2/hashes.json b/pkgs/development/tools/build-managers/buck2/hashes.json
index 0aa1592ceb1f..a48ac27b94ee 100644
--- a/pkgs/development/tools/build-managers/buck2/hashes.json
+++ b/pkgs/development/tools/build-managers/buck2/hashes.json
@@ -1,7 +1,7 @@
 { "_comment": "@generated by pkgs/development/tools/build-managers/buck2/update.sh"
-, "_prelude": "sha256-r2opeCtXAFxF3PbqKDKK0+pcySe70hUEtMiX7QlWZCQ="
-, "x86_64-linux": "sha256-Ln2FkZDQRKlTLU+EvcEE0VNW0BdnaZRd9nNeY8YgGVA="
-, "x86_64-darwin": "sha256-qSO+eERWWBH7KKBft/cze3sV04QZl3itpFNud6AFrFM="
-, "aarch64-linux": "sha256-KNYsZv5io4NYa/45rxzx+5ta6L7LrxV/GnqNWT4Y5/k="
-, "aarch64-darwin": "sha256-YUMrU5WsRu9ZAMzUS3xS/FFuiXtfbByMtT49CRGQ8do="
+, "_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="
 }