diff --git a/build_scripts/Debian+Ubuntu/Linux_InstallGuide.md b/build_scripts/Debian+Ubuntu/Linux_InstallGuide.md
index 873c34d21..5e01880f4 100644
--- a/build_scripts/Debian+Ubuntu/Linux_InstallGuide.md
+++ b/build_scripts/Debian+Ubuntu/Linux_InstallGuide.md
@@ -6,7 +6,7 @@
 #### Debian/Ubuntu
 ```bash
    sudo apt-get install g++ cmake libbz2-dev libjson-c-dev libssl-dev libsqlcipher-dev \
-   libupnp-dev libxss-dev rapidjson-dev libbotan-2-dev libasio-dev
+   libupnp-dev libxss-dev doxygen rapidjson-dev libbotan-2-dev libasio-dev
 ```
 
 To compile with Qt5:
@@ -168,4 +168,4 @@ Example:
 qmake CONFIG-=debug CONFIG+=release CONFIG+=rs_use_native_dialog CONFIG+=rs_gui_cmark
 qmake CONFIG+=rs_jsonapi CONFIG+=rs_webui CONFIG+=rs_autologin
 qmake CONFIG+=rs_deep_channels_index CONFIG += gxsthewire CONFIG += wikipoos
-```
\ No newline at end of file
+```