diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c11463e..3660e10 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
       - name: 'Setup Go environment'
         uses: 'actions/setup-go@v4'
         with:
-          go-version: '>=1.20.6'
+          go-version: '>=1.21.6'
 
       - name: 'Run tests'
         run: 'make test'
diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index d769899..7a4c2ce 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -31,7 +31,7 @@ jobs:
       - name: 'Setup Go environment'
         uses: 'actions/setup-go@v4'
         with:
-          go-version: '>=1.20.6'
+          go-version: '>=1.21.6'
 
       - name: 'Download project dependencies'
         run: 'make init'
diff --git a/go.mod b/go.mod
index 4185a02..518e521 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module git.sr.ht/~jamesponddotco/bunnystorage-go
 
-go 1.20
+go 1.21
 
 require (
 	git.sr.ht/~jamesponddotco/httpx-go v0.0.0-20230427215504-7c26a7f028e7