diff --git a/5.6/Dockerfile b/5.6/Dockerfile
index c0b51b2..1fcd620 100644
--- a/5.6/Dockerfile
+++ b/5.6/Dockerfile
@@ -71,6 +71,7 @@ RUN docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-di
             sockets \
             zip \
             pcntl \
+            ftp \
     && docker-php-ext-enable \
             oci8 \
             apcu \
diff --git a/7.0/Dockerfile b/7.0/Dockerfile
index 3dffb68..2aeee9f 100644
--- a/7.0/Dockerfile
+++ b/7.0/Dockerfile
@@ -73,6 +73,7 @@ RUN docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-di
             zip \
             memcached \
             pcntl \
+            ftp \
     && docker-php-ext-enable \
             oci8 \
             redis \
diff --git a/README.md b/README.md
index 85e6c5d..9d181e8 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,7 @@ Extensions
 - simplexml
 - apcu
 - opcache
+- ftp
 
 Resources
 ---------