diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index d9ea2b3b..3f42c71a 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go: ['1.14', '1.15', '1.16']
+        go: ['1.16', '1.17']
     steps:
       - name: setup
         uses: actions/setup-go@v2
diff --git a/go.mod b/go.mod
index f42fee01..17371b1e 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1,7 @@
 module github.com/poseidon/matchbox
 
+go 1.16
+
 require (
 	github.com/ajeddeloh/go-json v0.0.0-20160803184958-73d058cf8437 // indirect
 	github.com/ajeddeloh/yaml v0.0.0-20170912190910-6b94386aeefd // indirect
@@ -20,5 +22,3 @@ require (
 	golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4
 	google.golang.org/grpc v1.41.0
 )
-
-go 1.13