diff --git a/Documentation/BuildInstructions.md b/Documentation/BuildInstructions.md
index 8fd2bed074..7fd39087be 100644
--- a/Documentation/BuildInstructions.md
+++ b/Documentation/BuildInstructions.md
@@ -7,7 +7,7 @@ Make sure you have all the dependencies installed:
 ### Debian / Ubuntu
 
 ```console
-sudo apt install build-essential cmake curl libmpfr-dev libmpc-dev libgmp-dev e2fsprogs ninja-build qemu-system-gui qemu-system-x86 qemu-utils ccache rsync unzip texinfo
+sudo apt install build-essential cmake curl libmpfr-dev libmpc-dev libgmp-dev e2fsprogs ninja-build qemu-system-gui qemu-system-x86 qemu-utils ccache rsync unzip texinfo libssl-dev
 ```
 Optional: `fuse2fs` for [building images without root](https://github.com/SerenityOS/serenity/pull/11224).