diff --git a/Dockerfile b/Dockerfile
index f9d1e2eb..5e4b9572 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.10-slim
+FROM python:3.10
 
 RUN apt-get update && apt-get install -y \
   curl \
diff --git a/pyproject.toml b/pyproject.toml
index 654b8895..efc6c3d7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,6 +19,7 @@ ultima-scraper-renamer = "1.1.1"
 [tool.poetry.dev-dependencies]
 pyinstaller = { version = "^5.0.1", markers = "sys_platform == 'win32'" }
 requests-html = "^0.10.0"
+websockets = "^12.0.0"
 black = "^22.6.0"