diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 6f62427..b9d8879 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -5,7 +5,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go-version: [1.15.x,1.16.x]
+        go-version: [1.16.x, 1.17.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
diff --git a/go.mod b/go.mod
index f76c176..27712f2 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/yuin/goldmark
 
-go 1.15
+go 1.16