diff --git a/.github/dependabot.yml b/.github/dependabot.yml
deleted file mode 100644
index 64f847d..0000000
--- a/.github/dependabot.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
-version: 2
-updates:
-  - package-ecosystem: "gomod"
-    directory: "/" # Location of package manifests
-    schedule:
-      interval: "weekly"
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 2a4437d..9a6d390 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -10,7 +10,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: ['1.15', '1.16', '1.17', '1.19']
+        go-version: ['1.15', '1.16', '1.17', '1.19', '1.21']
         # os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ubuntu-latest
     # runs-on: ${{ matrix.os }}