diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 40e077c..6a7db97 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -63,10 +63,10 @@ jobs:
       with:
         toolchain: stable
 
-    - name: Update Cargo.lock
+    - name: Create or update Cargo.lock
       run: |
-        cargo update -p sdk
-        git add sdk/Cargo.lock
+        cargo update -w
+        git add Cargo.lock
 
     - name: Report differences for "prepare (release)" commit
       run: git diff