diff --git a/buildutils/src/upgrade-lab-dependencies.ts b/buildutils/src/upgrade-lab-dependencies.ts
index b15fbc6804..9460f3f857 100644
--- a/buildutils/src/upgrade-lab-dependencies.ts
+++ b/buildutils/src/upgrade-lab-dependencies.ts
@@ -140,7 +140,7 @@ function absoluteVersion(version: string): string {
 async function updatePyprojectToml(version: IVersion): Promise<void> {
   const filePath = path.resolve('pyproject.toml');
   const pattern = /(jupyterlab>=)[\d.]+(?:a|b|rc\d+)?,<[\d.]+/g;
-  updateVersionInFile(filePath, pattern, version, true);
+  updateVersionInFile(filePath, pattern, version);
 }
 
 async function updatePreCommitConfig(version: IVersion): Promise<void> {