diff --git a/5.6/Dockerfile b/5.6/Dockerfile
index 9b6b488..45ee9ed 100644
--- a/5.6/Dockerfile
+++ b/5.6/Dockerfile
@@ -41,7 +41,9 @@ RUN apt-get update \
         libaio-dev \
         libgearman-dev \
         libmemcached-dev \
-        freetds-dev
+        freetds-dev \
+	libssl-dev \
+	openssl
 
 # Install Composer
 RUN curl -sS https://getcomposer.org/installer | php -- \
diff --git a/7.0/Dockerfile b/7.0/Dockerfile
index 7c2badc..d952fb6 100644
--- a/7.0/Dockerfile
+++ b/7.0/Dockerfile
@@ -42,7 +42,7 @@ RUN apt-get update \
         libmemcached-dev \
         freetds-dev \
 	libssl-dev \
-	opensslz
+	openssl
 
 # Install Composer
 RUN curl -sS https://getcomposer.org/installer | php -- \