diff --git a/.github/workflows/wiki.yml b/.github/workflows/wiki.yml
index 5f7f34a13d1..4568a6469db 100644
--- a/.github/workflows/wiki.yml
+++ b/.github/workflows/wiki.yml
@@ -14,15 +14,13 @@ jobs:
     # To verify that the wiki's table of contents matches the headers accurately.
     name: Check Wiki Table of Contents
     runs-on: ubuntu-20.04
-    env:
-      CACHE_DIRECTORY: ~/.bazel_cache
     steps:
       - uses: actions/checkout@v2
 
       - name: Set up Bazel
         uses: abhinavsingh/setup-bazel@v3
         with:
-          version: 4.0.0
+          version: 6.5.0
 
       - name: Check Wiki Table of Contents
         id: checkWikiToc
diff --git a/scripts/src/java/org/oppia/android/scripts/wiki/WikiTableOfContentsCheck.kt b/scripts/src/java/org/oppia/android/scripts/wiki/WikiTableOfContentsCheck.kt
index 18cb650f1f8..489ff4e41cc 100644
--- a/scripts/src/java/org/oppia/android/scripts/wiki/WikiTableOfContentsCheck.kt
+++ b/scripts/src/java/org/oppia/android/scripts/wiki/WikiTableOfContentsCheck.kt
@@ -47,7 +47,7 @@ fun processWikiDirectory(wikiDir: File) {
 fun checkTableOfContents(file: File) {
   val fileContents = file.readLines()
   val tocStartIdx = fileContents.indexOfFirst {
-    it.contains("## Table of Contents")
+    it.contains(Regex("""##\s+Table\s+of\s+Contents""", RegexOption.IGNORE_CASE))
   }
   if (tocStartIdx == -1) {
     println("No Table of Contents found for the file $file")
@@ -58,7 +58,7 @@ fun checkTableOfContents(file: File) {
   val eOfIdx = fileContents.subList(tocStartIdx + 2, fileContents.size).indexOfFirst {
     it.isBlank()
   }
-  if (eOfIdx == -1) error("Table of Contents didn't end with a blank line")
+  if (eOfIdx == -1) error("Table of Contents didn't end with a blank line.")
 
   val tocSpecificLines = fileContents.subList(tocStartIdx, tocStartIdx + eOfIdx + 1)
   println("Toc line: $tocSpecificLines")