diff --git a/.travis.yml b/.travis.yml
index 56d72e2..1a5f7a1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,6 @@
 language: go
 
 go:
-  - "1.4.x"
-  - "1.5.x"
-  - "1.6.x"
-  - "1.7.x"
-  - "1.8.x"
   - "1.9.x"
   - "1.10.x"
   - "master"
diff --git a/README.md b/README.md
index a92193e..f947cd6 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@
 
 ## Installing
 
-Make sure to have [go](https://golang.org/) (1.4+) installed, then do:
+Make sure to have [go](https://golang.org/) (1.9+) installed, then do:
 
 ```bash
 go get -u github.com/miguelmota/cointop