diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index 344003a..b15f812 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -18,7 +18,7 @@ jobs:
     name: lint
     strategy:
       matrix:
-        go-version: [1.19.x, 1.20.x]
+        go-version: [1.20.x, 1.21.x]
         platform: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.platform }}
     steps:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0a1bb83..5750222 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -50,7 +50,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.19
+          go-version: 1.20.x
       - name: Build binary
         run: GOOS=${{ matrix.os }} GOARCH=${{ matrix.arch }} make build
       - name: Upload release asset
diff --git a/Dockerfile b/Dockerfile
index b89f548..8252b91 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/blinklabs-io/go:1.19.12-1 AS build
+FROM ghcr.io/blinklabs-io/go:1.21.1-1 AS build
 
 WORKDIR /code
 COPY . .
diff --git a/go.mod b/go.mod
index 07b1eaf..bf5b73e 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/blinklabs-io/snek
 
-go 1.19
+go 1.20
 
 require (
 	github.com/blinklabs-io/gouroboros v0.53.0