diff --git a/.github/workflows/merge-up.yml b/.github/workflows/merge-up.yml
index ade123af6..4abb8dc0c 100644
--- a/.github/workflows/merge-up.yml
+++ b/.github/workflows/merge-up.yml
@@ -5,12 +5,8 @@ on:
     branches:
       - "v[0-9]+.[0-9]+"
 
-permissions:
-  contents: write
-  pull-requests: write
-
 env:
-  GH_TOKEN: ${{ github.token }}
+  GH_TOKEN: ${{ secrets.MERGE_UP_TOKEN }}
 
 jobs:
   merge-up:
@@ -24,6 +20,7 @@ jobs:
         with:
           # fetch-depth 0 is required to fetch all branches, not just the branch being built
           fetch-depth: 0
+          token: ${{ secrets.MERGE_UP_TOKEN }}
 
       - name: Create pull request
         id: create-pull-request
diff --git a/src/GridFS/ReadableStream.php b/src/GridFS/ReadableStream.php
index a0664e821..f0e433140 100644
--- a/src/GridFS/ReadableStream.php
+++ b/src/GridFS/ReadableStream.php
@@ -98,7 +98,6 @@ public function __construct(CollectionWrapper $collectionWrapper, object $file)
      * Return internal properties for debugging purposes.
      *
      * @see https://php.net/manual/en/language.oop5.magic.php#language.oop5.magic.debuginfo
-     * @return array
      */
     public function __debugInfo(): array
     {
diff --git a/src/Model/SearchIndexInput.php b/src/Model/SearchIndexInput.php
index c6d87b094..e28aea9b0 100644
--- a/src/Model/SearchIndexInput.php
+++ b/src/Model/SearchIndexInput.php
@@ -36,7 +36,6 @@
  */
 class SearchIndexInput implements Serializable
 {
-    /** @var array */
     private array $index;
 
     /**