diff --git a/.travis.yml b/.travis.yml
index 5919f98..103f0ad 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,9 +4,8 @@ matrix:
   allow_failures:
   - go: master
   include:
-  - go: 1.15.x
-  - go: 1.16.x
-  - go: master
+  - go: 1.17.x
+  - go: 1.18.x
 env:
   global:
   - GO111MODULE=on
@@ -24,6 +23,6 @@ deploy:
   - cli/build/enumer.windows-amd64.exe.tar.gz
   - cli/build/sha256sum.txt
   on:
-    go: 1.16.x
+    go: 1.17.x
     repo: dmarkham/enumer
     tags: true
diff --git a/go.mod b/go.mod
index df48854..56d678b 100644
--- a/go.mod
+++ b/go.mod
@@ -5,4 +5,10 @@ require (
 	golang.org/x/tools v0.1.9
 )
 
-go 1.14
+require (
+	golang.org/x/mod v0.5.1 // indirect
+	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+)
+
+go 1.17