diff --git a/Dockerfile b/Dockerfile
index dfccecc..33e2733 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,13 +1,16 @@
 
 ARG PYTHON_VERSION=3
 ARG ALPINE_VERSION=3.18
-ARG ROTATE_BACKUPS_VERSION=latest
+# ARG ROTATE_BACKUPS_VERSION=latest
 
 FROM python:${PYTHON_VERSION}-alpine${ALPINE_VERSION}
 
 RUN apk update && apk add less
 
-RUN pip install rotate-backups==$ROTATE_BACKUPS_VERSION
+RUN pip install rotate-backups==8.1
+
+# fixme: why the fuck does this not work??
+# RUN pip install rotate-backups==$ROTATE_BACKUPS_VERSION
 
 RUN mkdir /data