diff --git a/README.md b/README.md
index 86c3cea..86a8599 100644
--- a/README.md
+++ b/README.md
@@ -533,6 +533,9 @@ Securely store your Docker images.
 ## Dockerfile
 
 * [Collection of Dockerfiles](https://github.com/crosbymichael/Dockerfiles) by [@crosbymichael][crosbymichael]
+* [Collection of Dockerfiles 2](https://github.com/pandrew/dockerfiles) by [@pandrew][pandrew]
+* [Collection of Dockerfiles 3](https://github.com/vimagick/dockerfiles) by [@vimagick][vimagick]
+* [Collection of Dockerfiles 4](https://github.com/ondrejmo/Dockerfiles) by [@ondrejmo][ondrejmo]
 * [Dockerfile Project](http://dockerfile.github.io/) : Trusted Automated Docker Builds. Dockerfile Project maintains a central repository of Dockerfile for various popular open source software services runnable on a Docker container.
 * [Dockerfile Example](https://github.com/komljen/dockerfile-examples) by [@komljen](https://github.com/komljen)
 * [Dockerfile Example 2](https://github.com/kstaken/dockerfile-examples) by [@kstaken](https://github.com/kstaken)