diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 18d3311..9af3c4a 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -12,13 +12,16 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Set up Go
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
       with:
         go-version: 1.17
 
+    - name: install stringer
+      run: go install golang.org/x/tools/cmd/stringer@latest
+
     - name: Generate
       run: go generate ./...
 
diff --git a/Dockerfile b/Dockerfile
index 5aadd63..7a797cb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM golang:alpine as build
 
 WORKDIR /root
 COPY . /root
-RUN go generate ./... && go build .
+RUN go install golang.org/x/tools/cmd/stringer@latest && go generate ./... && go build .
 
 FROM alpine:latest