diff --git a/docs/linux_dependencies.md b/docs/linux_dependencies.md
index dd63fc5d648c2..2b39104236c82 100644
--- a/docs/linux_dependencies.md
+++ b/docs/linux_dependencies.md
@@ -6,7 +6,7 @@ If you don't see your distro present in the list, feel free to add the instructi
 
 ## Ubuntu 20.04
 ```bash
-sudo apt-get install libx11-dev libasound2-dev
+sudo apt-get install pkg-config libx11-dev libasound2-dev
 ```
 
 ## Fedora 32