diff --git a/action.yml b/action.yml
index dbc9de4..d35dc15 100644
--- a/action.yml
+++ b/action.yml
@@ -8,6 +8,9 @@ inputs:
   on-broken-links:
     description: 'Behavior on broken links: throw, warn, or ignore'
     default: 'throw'
+  prefix:
+    description: 'Additional prefix for S3 path'
+    default: ''
 
 runs:
   using: 'composite'
@@ -27,6 +30,11 @@ runs:
           S3_PATH="${ORG}.${REPO}.${REF}"
         fi
 
+        PREFIX="${{ inputs.prefix }}"
+        if [[ -n "$PREFIX" ]]; then
+          S3_PATH="${S3_PATH}/${PREFIX}"
+        fi
+
         echo "TARGET_URL=$URL" >> $GITHUB_ENV
         echo "S3_PATH=$S3_PATH" >> $GITHUB_ENV