diff --git a/common-functions b/common-functions
index 674db66..62b8d13 100755
--- a/common-functions
+++ b/common-functions
@@ -186,7 +186,7 @@ service_backup() {
   fi
 
   # shellcheck disable=SC2086
-  docker run --rm $BACKUP_PARAMETERS dokku/s3backup:0.9.1
+  docker run --rm $BACKUP_PARAMETERS dokku/s3backup:0.9.4
 }
 
 service_backup_auth() {
diff --git a/install b/install
index 5837645..5cd2d55 100755
--- a/install
+++ b/install
@@ -18,7 +18,7 @@ plugin-install() {
   pull-docker-image "${PLUGIN_IMAGE}:${PLUGIN_IMAGE_VERSION}"
   pull-docker-image "dokku/ambassador:0.2.0"
   pull-docker-image "dokku/wait:0.3.0"
-  pull-docker-image "dokku/s3backup:0.9.1"
+  pull-docker-image "dokku/s3backup:0.9.4"
   pull-docker-image "busybox:1.30.1-uclibc"
 
   mkdir -p "$PLUGIN_DATA_ROOT" || echo "Failed to create $PLUGIN_SERVICE data directory"