diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 87361a6..bf0b533 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,6 +19,8 @@ jobs:
 
       - name: Setup go
         uses: actions/setup-go@v5
+        with:
+          go-version-file: ./go.mod
 
       - name: Run lints
         run: ./scripts/lint
@@ -32,6 +34,8 @@ jobs:
 
       - name: Setup go
         uses: actions/setup-go@v5
+        with:
+          go-version-file: ./go.mod
 
       - name: Bootstrap
         run: ./scripts/bootstrap
diff --git a/go.mod b/go.mod
index 8cb2d91..eaea3e4 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/Modern-Treasury/modern-treasury-go/v2
 
-go 1.19
+go 1.21
 
 require (
 	github.com/google/uuid v1.3.0 // indirect