diff --git a/Installation-without-Docker.md b/Installation-without-Docker.md
index 4566abc..4ca0627 100644
--- a/Installation-without-Docker.md
+++ b/Installation-without-Docker.md
@@ -42,7 +42,7 @@ sudo apt -y install postgresql
 sudo apt -y install python3
 sudo apt -y install python3-pip
 sudo apt -y install ffmpeg
-sudo apt -y install python3-virtualenv python3-pytest python3-pytest-cov pytest-pgsql
+sudo apt -y install python3-virtualenv python3-pytest python3-pytest-cov
 sudo apt -y install libheif-dev
 sudo apt -y install libavif-dev
 mv /usr/lib/python3.12/EXTERNALLY-MANAGED /usr/lib/python3.12/EXTERNALLY-MANAGED.old
@@ -63,6 +63,7 @@ pip3 install "SQLAlchemy>=1.0.12, <1.4"
 pip3 install yt-dlp
 pip3 install pillow-avif-plugin
 pip3 install freezegun
+pip3 install pytest-postgresql
 ```
 
 The reason `ffmpeg` is used over, say, `ImageMagick` or even `PIL` is because of