Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: drake 0 -> 1
attrpath: drake
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] 
Going to be running update for following packages:
 - drake-0.9.2.0.3.1

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - drake-0.9.2.0.3.1: UPDATING ...
 - drake-0.9.2.0.3.1: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/development/tools/build-managers/drake/Gemfile.lock b/pkgs/development/tools/build-managers/drake/Gemfile.lock
index 466133010e04..c5ba38a361d5 100644
--- a/pkgs/development/tools/build-managers/drake/Gemfile.lock
+++ b/pkgs/development/tools/build-managers/drake/Gemfile.lock
@@ -12,4 +12,4 @@ DEPENDENCIES
   drake
 
 BUNDLED WITH
-   2.1.4
+   2.7.2

Package version did not change.