diff --git a/Dockerfile b/Dockerfile
index 351d32d..237fbed 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.18 as build-env
+FROM golang:1.21-alpine AS build-env
 
 
 ENV GO111MODULE=on \
@@ -6,8 +6,9 @@ ENV GO111MODULE=on \
   GOOS=linux \
   GOARCH=amd64
 
-RUN apt-get -qq update && \
-  apt-get -yqq install upx
+# Install upx
+RUN apk add --no-cache upx
+RUN apk add --no-cache binutils
 
 WORKDIR /src
 COPY . .
diff --git a/go.mod b/go.mod
index 944cec5..47be88e 100644
--- a/go.mod
+++ b/go.mod
@@ -1,13 +1,15 @@
 module github.com/guilhem/rss-issues-action
 
-go 1.18
+go 1.21
+
+toolchain go1.22.2
 
 require (
 	github.com/JohannesKaufmann/html-to-markdown v1.3.6
 	github.com/akrennmair/slice v0.0.0-20220105203817-49445747ab81
 	github.com/google/go-github/v33 v33.0.0
 	github.com/mmcdole/gofeed v1.1.3
-	github.com/sethvargo/go-githubactions v1.0.0
+	github.com/sethvargo/go-githubactions v1.2.0
 	github.com/thoas/go-funk v0.9.2
 	golang.org/x/oauth2 v0.0.0-20201208152858-08078c50e5b5
 )
diff --git a/go.sum b/go.sum
index 5308e73..42a4a48 100644
--- a/go.sum
+++ b/go.sum
@@ -149,6 +149,8 @@ github.com/sethvargo/go-envconfig v0.6.0 h1:GxxdoeiNpWgGiVEphNFNObgMYRN/ZvI2dN7r
 github.com/sethvargo/go-envconfig v0.6.0/go.mod h1:00S1FAhRUuTNJazWBWcJGvEHOM+NO6DhoRMAOX7FY5o=
 github.com/sethvargo/go-githubactions v1.0.0 h1:5mYGPNxIwIXaS8MLj4uYGWM8QM8giUVqA4FuSYOZjXE=
 github.com/sethvargo/go-githubactions v1.0.0/go.mod h1:UaidDD1ENTLXzTtj/4MnYjY40/5WLijgn2O8KBsdv7o=
+github.com/sethvargo/go-githubactions v1.2.0 h1:Gbr36trCAj6uq7Rx1DolY1NTIg0wnzw3/N5WHdKIjME=
+github.com/sethvargo/go-githubactions v1.2.0/go.mod h1:7/4WeHgYfSz9U5vwuToCK9KPnELVHAhGtRwLREOQV80=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=