diff --git a/README.md b/README.md
index 2650f38..ef665f0 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,8 @@ Want to contribute to act? Awesome! Check out the [contributing guidelines](CONT
 
 ## Building from source
 
-* Install Go tools 1.11+ - (https://golang.org/doc/install)
+* Install Go tools 1.11.4+ - (https://golang.org/doc/install)
+* Have a working Docker v18.09.1+ client - local/Docker for Mac/Docker for Windows
 * Clone this repo `git clone git@github.com:nektos/act.git`
 * Run unit tests with `make check`
 * Build and install: `make install`