diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index f9e073ea..97cddf74 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ 'ubuntu-latest', 'windows-latest', 'macos-latest']
-        go: [ '1.15', '1.16' ]
+        go: [ '1.16', '1.17' ]
     runs-on: ${{ matrix.os }}
     name: ${{ matrix.go }}/${{ matrix.os }}
     steps:
diff --git a/go.mod b/go.mod
index 8fed3421..6965c3cd 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/pelletier/go-toml/v2
 
-go 1.15
+go 1.16
 
 // latest (v1.7.0) doesn't have the fix for time.Time
 require github.com/stretchr/testify v1.7.1-0.20210427113832-6241f9ab9942