diff --git a/dev/functions b/dev/functions
index 347a55632..e0a24b01a 100644
--- a/dev/functions
+++ b/dev/functions
@@ -85,9 +85,9 @@ function config_init {
 function install_dependencies {
     echo "Installing package dependencies for kayobe"
     if [[ -e /etc/centos-release ]]; then
-        sudo yum -y install gcc git vim python-virtualenv
+        sudo yum -y install gcc git vim python-virtualenv libffi-devel
     else
-        sudo apt install -y python-dev python-virtualenv gcc git
+        sudo apt install -y python-dev python-virtualenv gcc git libffi-dev
     fi
 }
 
diff --git a/doc/source/installation.rst b/doc/source/installation.rst
index a2ae11bd9..83d6ced1c 100644
--- a/doc/source/installation.rst
+++ b/doc/source/installation.rst
@@ -26,11 +26,11 @@ some of kayobe's python dependencies.
 
 On CentOS::
 
-    $ yum install -y python-devel python-virtualenv gcc
+    $ yum install -y python-devel python-virtualenv gcc libffi-devel
 
 On Ubuntu::
 
-    $ apt install -y python-dev python-virtualenv gcc
+    $ apt install -y python-dev python-virtualenv gcc libffi-dev
 
 If installing Kayobe from source, then Git is required for cloning and working
 with the source code repository.