diff --git a/.env.example b/.env.example
index 542b767..c21ac85 100644
--- a/.env.example
+++ b/.env.example
@@ -76,7 +76,7 @@ DATA_PATH_HOST=./storage/laradock/
 
 ### PHP ###########################################
 
-# Select a PHP version of the Workspace and PHP-FPM containers (Does not apply to HHVM). Accepted values: 7.2, 7.3
+# Select a PHP version of the Workspace and PHP-FPM containers (Does not apply to HHVM).
 PHP_VERSION=7.4
 
 # Enable Xdebug
diff --git a/env/docker/php-fpm/Dockerfile b/env/docker/php-fpm/Dockerfile
index 76e446d..ed29cf6 100644
--- a/env/docker/php-fpm/Dockerfile
+++ b/env/docker/php-fpm/Dockerfile
@@ -15,6 +15,7 @@ RUN apt-get update \
     curl \
     iputils-ping \
     vim \
+    libonig-dev \
   && rm -rf /var/lib/apt/lists/*
 
 # Install Laravel required extensions
diff --git a/env/docker/workspace/Dockerfile b/env/docker/workspace/Dockerfile
index 0600788..7570fd7 100644
--- a/env/docker/workspace/Dockerfile
+++ b/env/docker/workspace/Dockerfile
@@ -27,6 +27,7 @@ RUN apt-get update \
     ruby-bundler \
     ssh-client \
     iputils-ping \
+    libonig-dev \
   && rm -rf /var/lib/apt/lists/*
 
 # Install Laravel required extensions