diff --git a/.woodpecker.yml b/.woodpecker.yml
index 35bfa57..fd79a59 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -1,5 +1,5 @@
 variables:
-  - &golang 'golang:1.18'
+  - &golang 'golang:1.21'
 
 steps:
   lint:
diff --git a/Dockerfile.multiarch b/Dockerfile.multiarch
index 05b259b..def4393 100644
--- a/Dockerfile.multiarch
+++ b/Dockerfile.multiarch
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.18 AS build
+FROM --platform=$BUILDPLATFORM golang:1.21 AS build
 
 WORKDIR /src
 COPY . .