diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a757b69..23feea4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: [ '1.20' ]
+        go-version: [ '1.21' ]
     steps:
 
       - name: Checkout
diff --git a/Dockerfile b/Dockerfile
index 08b8765..17e4ad4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20-alpine AS build
+FROM golang:1.21-alpine AS build
 
 WORKDIR /usr/src/app
 COPY . .