diff --git a/.github/workflows/last-updated.yml b/.github/workflows/last-updated.yml
index 3832bba..0e9a66f 100644
--- a/.github/workflows/last-updated.yml
+++ b/.github/workflows/last-updated.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: update 'Last updated' in readme.md
-        run: sed -i "/<strong>Last updated:<\/strong> /s|> .*<br>|> $(date +"%d %B %Y")<br>|" readme.md
+        run: sed -i "/<strong>Last updated:<\/strong> /s|> .*<br>|> $(date +"%d %B %Y")<br>|" README.md
 
       - name: Commit and Push readme.md
         run: |