diff --git a/Chart.yaml b/Chart.yaml
index 98e085b..5008330 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time
 # you make changes to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 5.5.1
+version: 5.5.2
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
diff --git a/templates/job-assets-copy.yaml b/templates/job-assets-copy.yaml
index f4ec87f..d35a7bc 100644
--- a/templates/job-assets-copy.yaml
+++ b/templates/job-assets-copy.yaml
@@ -44,6 +44,8 @@ spec:
           env:
           - name: RCLONE_S3_NO_CHECK_BUCKET
             value: "true"
+          - name: RCLONE_S3_ACL
+            value: {{ required "Please specify a canned ACL for S3 asset uploads" .Values.mastodon.hooks.s3Upload.acl }}
           - name: RCLONE_CONFIG_REMOTE_TYPE
             value: s3
           - name: RCLONE_CONFIG_REMOTE_PROVIDER
diff --git a/values.yaml b/values.yaml
index e6ab46d..1bf977d 100644
--- a/values.yaml
+++ b/values.yaml
@@ -41,6 +41,7 @@ mastodon:
       enabled: false
       endpoint:
       bucket:
+      acl: public-read
       secretRef:
         name:
         keys: