diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 279ca17..2d726cf 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: [ '1.20', 'stable' ]
+        go-version: [ '1.20', '1.21', 'stable' ]
 
     steps:
     - uses: actions/checkout@v4
diff --git a/go.mod b/go.mod
index ab84f0d..c0dd619 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/mum4k/termdash
 
-go 1.20
+go 1.21
 
 require (
 	github.com/gdamore/tcell/v2 v2.7.0