diff --git a/action.yml b/action.yml
index 4094a5a..e5f00ea 100644
--- a/action.yml
+++ b/action.yml
@@ -90,7 +90,11 @@ runs:
         # (note 2: if it fails here, it probably means you are using the busybox
         #          variant of wget which can't (as of 2024-08-26) use the PUT method.
         #          Install the full one beforehand : apt install wget / pkg add wget / ...)
-        wget -O /dev/null --method PUT --body-file "$MYUPLOAD" "$SIGNED_UPLOAD_URL&comp=block"
+        wget -O /dev/null \
+          --method PUT \
+          --body-file "$MYUPLOAD" \
+          --header "Authorization: Bearer $ACTIONS_RUNTIME_TOKEN" \
+          "$SIGNED_UPLOAD_URL&comp=block"
 
         # Finalize the artifact
         RESPONSE="$( wget -O - \