diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 739497dc..c0ce3ea4 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -27,11 +27,12 @@ jobs:
 
     - name: Install system libraries
       run: |
-        sudo apt-get install -y libgmp3-dev libmpfr-dev libmpc-dev wget bzip2 build-essential libxcursor-dev libglib2.0-dev
-        sudo su
-        sudo apt-key -y adv --keyserver keyserver.ubuntu.com --recv-key 612DEFB798507F25
+        sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-key 612DEFB798507F25
         sudo add-apt-repository -y "https://downloads.skewed.de/apt jammy main"
         sudo apt-get install -y python3-pip libcairo2-dev python3-graph-tool
+        
+        sudo apt-get install -y libgmp3-dev libmpfr-dev libmpc-dev wget bzip2 build-essential libxcursor-dev libglib2.0-dev
+        
 
   # sudo apt-get install -y libgmp3-dev
   # sudo apt-get install -y libmpfr-dev