diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 3c73d6b..745c89c 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -14,11 +14,8 @@ name: "CodeQL"
 on:
   push:
     branches: [ main ]
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ main ]
   schedule:
-    - cron: '23 6 * * 1'
+    - cron: '23 6 * * 6'
 
 jobs:
   analyze:
diff --git a/Dockerfile b/Dockerfile
index 38e9dd5..1ff6424 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9
+FROM python:3.9-slim
 MAINTAINER Soxoj <soxoj@protonmail.com>
 WORKDIR /app
 RUN pip install --upgrade pip