diff --git a/.github/workflows/dev.workflow.yaml b/.github/workflows/dev.workflow.yaml
index d4e268a..14fdcba 100644
--- a/.github/workflows/dev.workflow.yaml
+++ b/.github/workflows/dev.workflow.yaml
@@ -28,7 +28,7 @@ jobs:
           driver-opts: image=moby/buildkit:v0.10.6
       - uses: actions/setup-go@v3
         with:
-          go-version: "1.19"
+          go-version: "1.21.9"
       - name: login to docker hub
         run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
 
diff --git a/.github/workflows/prod.workflow.yaml b/.github/workflows/prod.workflow.yaml
index 465df9c..ad8d30b 100644
--- a/.github/workflows/prod.workflow.yaml
+++ b/.github/workflows/prod.workflow.yaml
@@ -23,7 +23,7 @@ jobs:
           driver-opts: image=moby/buildkit:v0.10.6
       - uses: actions/setup-go@v3
         with:
-          go-version: "1.19"
+          go-version: "1.21.9"
       - name: login to docker hub
         run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
 
diff --git a/go.mod b/go.mod
index 7045594..1afba1a 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,8 @@
 module github.com/portainer/portainer-updater
 
-go 1.19
+go 1.21
+
+toolchain go1.21.9
 
 require (
 	github.com/alecthomas/kong v0.5.0