diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 6b0c1e7..2aad5e2 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -14,7 +14,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.21.1'
+          go-version: '1.21.4'
         id: go
 
       - name: Check out code into the Go module directory
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 51d5818..f5351e4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.21.1'
+          go-version: '1.21.4'
 
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v5
diff --git a/Dockerfile b/Dockerfile
index 6b382c7..887b636 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG GOLANG_DOCKER_TAG=1.21.1-alpine3.18
+ARG GOLANG_DOCKER_TAG=1.21.4-alpine3.18
 ARG ALPINE_DOCKER_TAG=3.18
 
 FROM golang:$GOLANG_DOCKER_TAG as builder