diff --git a/docs/development_environment.mdx b/docs/development_environment.mdx
index 039d9998..53c0a0a3 100644
--- a/docs/development_environment.mdx
+++ b/docs/development_environment.mdx
@@ -71,7 +71,7 @@ Install the core dependencies.
 
 ```shell
 sudo apt-get update
-sudo apt-get install python3-pip python3-dev python3-venv autoconf libssl-dev libxml2-dev libxslt1-dev libjpeg-dev libffi-dev libudev-dev zlib1g-dev pkg-config libavformat-dev libavcodec-dev libavdevice-dev libavutil-dev libswscale-dev libswresample-dev libavfilter-dev ffmpeg
+sudo apt-get install python3-pip python3-dev python3-venv autoconf libssl-dev libxml2-dev libxslt1-dev libjpeg-dev libffi-dev libudev-dev zlib1g-dev pkg-config libavformat-dev libavcodec-dev libavdevice-dev libavutil-dev libswscale-dev libswresample-dev libavfilter-dev ffmpeg libgammu-dev
 ```
 
 ### Developing on Windows