1 files changed, 2 insertions, 1 deletions

diff --git a/README.rst b/README.rst
index 43ea0a21..d3f2e435 100644
--- a/README.rst
+++ b/README.rst
@@ -87,7 +87,8 @@ Install headless backend in development mode
 
 Prerequisites:
 
-  sudo apt install build-essential python-virtualenv libsqlcipher-dev
+  sudo apt install build-essential python-virtualenv libsqlcipher-dev \
+        libssl-dev libffi-dev
   cd bitmask-dev
   virtualenv venv
   source venv/bin/activate