diff --git a/lib/workers/branch/index.js b/lib/workers/branch/index.js
index 6befd739a36fdab980504ee62299404f7838b381..8527009ff989b6e5593ddcdbace5a02f43fb03e5 100644
--- a/lib/workers/branch/index.js
+++ b/lib/workers/branch/index.js
@@ -147,7 +147,8 @@ async function ensureBranch(config) {
         const yarnLockFile = await yarn.getLockFile(
           packageFile,
           packageFiles[packageFile],
-          api
+          api,
+          logger
         );
         if (yarnLockFile) {
           // Add new yarn.lock file too
diff --git a/lib/workers/branch/npm.js b/lib/workers/branch/npm.js
index 6b0884a43e2b202286e5d87729176d0f9cbc6c72..5646f970f7cd773f91f47e51a44bde2c026ee356 100644
--- a/lib/workers/branch/npm.js
+++ b/lib/workers/branch/npm.js
@@ -103,7 +103,7 @@ async function maintainLockFile(inputConfig) {
     packageContent,
     inputConfig.api,
     inputConfig.versions.npm,
-    inputConfig.logger
+    logger
   );
   logger.trace(`newPackageLock:\n${newPackageLock.contents}`);
   if (existingPackageLock.toString() === newPackageLock.contents.toString()) {
diff --git a/lib/workers/branch/yarn.js b/lib/workers/branch/yarn.js
index 9bd48429f6f92551da849103d0bf3157e2bc0b9c..6514379d8db7f3e28b7e30e07e6c250133da8a37 100644
--- a/lib/workers/branch/yarn.js
+++ b/lib/workers/branch/yarn.js
@@ -113,7 +113,8 @@ async function maintainLockFile(inputConfig) {
   const newYarnLock = await module.exports.getLockFile(
     inputConfig.packageFile,
     packageContent,
-    inputConfig.api
+    inputConfig.api,
+    logger
   );
   logger.trace(`newYarnLock:\n${newYarnLock.contents}`);
   if (existingYarnLock.toString() === newYarnLock.contents.toString()) {