diff --git a/README.md b/README.md
index 56f3bc9..f9812c4 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,7 @@ brew install mkcert
 or build from source (requires Go 1.13+)
 
 ```
-git clone github.com/FiloSottile/mkcert
+git clone https://github.com/FiloSottile/mkcert
 go build -ldflags "-X main.Version=$(git describe --tags)"
 ```