diff --git a/core/webserver/.travis.yml b/core/webserver/.travis.yml
index ab7da6e9..ddfb7bbf 100644
--- a/core/webserver/.travis.yml
+++ b/core/webserver/.travis.yml
@@ -1,6 +1,6 @@
 language: go
 go:
-- 1.15.x
+- 1.16.x
 before_install:
   # download super-linter: golangci-lint
 - curl -sL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(go env GOPATH)/bin latest
diff --git a/core/webserver/go.mod b/core/webserver/go.mod
index 27c4e912..e67a16e5 100644
--- a/core/webserver/go.mod
+++ b/core/webserver/go.mod
@@ -1,9 +1,16 @@
 module github.com/unifi-poller/webserver
 
-go 1.15
+go 1.16
 
 require (
+	github.com/golang/protobuf v1.5.1 // indirect
 	github.com/gorilla/mux v1.8.0
+	github.com/prometheus/client_golang v1.10.0 // indirect
+	github.com/prometheus/common v0.20.0 // indirect
 	github.com/unifi-poller/poller v0.0.0-20210315011940-c43dc3c221b4
-	golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83
+	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2
+	golang.org/x/sys v0.0.0-20210324051608-47abb6519492 // indirect
+	golang.org/x/term v0.0.0-20210317153231-de623e64d2a6 // indirect
+	golift.io/cnfg v0.0.7 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )