From c0b54fb0178cde72fb7fffc60160e5fba2b6112f Mon Sep 17 00:00:00 2001
From: Pieter Ennes <pieter@ennes.nl>
Date: Tue, 29 Jan 2019 02:07:05 +0200
Subject: [PATCH] Needs libffi-dev to compile on Debian 9.7. (#8330)

---
 source/_docs/installation/raspberry-pi.markdown | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/_docs/installation/raspberry-pi.markdown b/source/_docs/installation/raspberry-pi.markdown
index 31af033f9d6..136c1ae2bb5 100644
--- a/source/_docs/installation/raspberry-pi.markdown
+++ b/source/_docs/installation/raspberry-pi.markdown
@@ -45,7 +45,7 @@ $ sudo apt-get upgrade -y
 Install the dependencies.
 
 ```bash
-$ sudo apt-get install python3 python3-venv python3-pip
+$ sudo apt-get install python3 python3-venv python3-pip libffi-dev
 ```
 
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