diff --git a/.travis.yml b/.travis.yml
index 30dbe17..ac15c41 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ arch:
     - ppc64le
 
 go:
-  - 1.16.x
+  - 1.20.x
 
 install:
   # go-flags
diff --git a/go.mod b/go.mod
index 79f2a04..934cfbe 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1,5 @@
 module github.com/jessevdk/go-flags
 
-go 1.15
+go 1.20
 
 require golang.org/x/sys v0.21.0