diff --git a/.woodpecker/.build.yml b/.woodpecker/.build.yml
index a7acab9..2492e47 100644
--- a/.woodpecker/.build.yml
+++ b/.woodpecker/.build.yml
@@ -5,9 +5,9 @@ when:
 variables:
   - &image_name 'quay.krd.sh/krd/rngpotd'
   - &ext_image_name 'docker.io/rockdrilla/rngpotd'
-  - &buildah_image 'quay.krd.sh/quay_io/containers/buildah:v1.36.0'
-  - &skopeo_image 'quay.krd.sh/quay_io/containers/skopeo:v1.15.2'
-  - &go_image 'quay.krd.sh/golang:1.22.5-bookworm'
+  - &buildah_image 'quay.krd.sh/quay_io/containers/buildah:v1.37.3'
+  - &skopeo_image 'quay.krd.sh/quay_io/containers/skopeo:v1.16.1'
+  - &go_image 'quay.krd.sh/golang:1.23.2-bookworm'
   - &base_image 'quay.krd.sh/gcr_io/distroless/static-debian12:nonroot'
   ## value list depends on base image
   ## ref: https://github.com/GoogleContainerTools/distroless#debian-12
diff --git a/.woodpecker/.latest.yml b/.woodpecker/.latest.yml
index e3422c6..7c380ce 100644
--- a/.woodpecker/.latest.yml
+++ b/.woodpecker/.latest.yml
@@ -5,7 +5,7 @@ when:
 variables:
   - &image_name 'quay.krd.sh/krd/rngpotd'
   - &ext_image_name 'docker.io/rockdrilla/rngpotd'
-  - &skopeo_image 'quay.krd.sh/quay_io/containers/skopeo:v1.15.2'
+  - &skopeo_image 'quay.krd.sh/quay_io/containers/skopeo:v1.16.1'
 
 ## NB: ${variable} expressions are subject to pre-processing.
 ## ref: https://woodpecker-ci.org/docs/usage/environment
diff --git a/Dockerfile b/Dockerfile
index 4de36ec..7a0bb70 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG GO_IMAGE=docker.io/library/golang:1.22.5-bookworm
+ARG GO_IMAGE=docker.io/library/golang:1.23.2-bookworm
 ARG BASE_IMAGE=gcr.io/distroless/static-debian12:nonroot
 
 ## ---
diff --git a/go.mod b/go.mod
index 0eb92aa..b335656 100644
--- a/go.mod
+++ b/go.mod
@@ -1,19 +1,19 @@
 module git.krd.sh/krd/rngpotd
 
-go 1.22
+go 1.23
 
 require github.com/gofiber/fiber/v2 v2.52.5
 
 require (
 	github.com/andybalholm/brotli v1.1.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/klauspost/compress v1.17.9 // indirect
+	github.com/klauspost/compress v1.17.10 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-runewidth v0.0.16 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
-	github.com/valyala/fasthttp v1.55.0 // indirect
+	github.com/valyala/fasthttp v1.56.0 // indirect
 	github.com/valyala/tcplisten v1.0.0 // indirect
-	golang.org/x/sys v0.22.0 // indirect
+	golang.org/x/sys v0.25.0 // indirect
 )
diff --git a/go.sum b/go.sum
index e1e193c..128a80a 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,8 @@ github.com/gofiber/fiber/v2 v2.52.5 h1:tWoP1MJQjGEe4GB5TUGOi7P2E0ZMMRx5ZTG4rT+yG
 github.com/gofiber/fiber/v2 v2.52.5/go.mod h1:KEOE+cXMhXG0zHc9d8+E38hoX+ZN7bhOtgeF2oT6jrQ=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA=
-github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
+github.com/klauspost/compress v1.17.10 h1:oXAz+Vh0PMUvJczoi+flxpnBEPxoER1IaAnU/NMPtT0=
+github.com/klauspost/compress v1.17.10/go.mod h1:pMDklpSncoRMuLFrf1W9Ss9KT+0rH90U12bZKk7uwG0=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
@@ -18,11 +18,11 @@ github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
 github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
-github.com/valyala/fasthttp v1.55.0 h1:Zkefzgt6a7+bVKHnu/YaYSOPfNYNisSVBo/unVCf8k8=
-github.com/valyala/fasthttp v1.55.0/go.mod h1:NkY9JtkrpPKmgwV3HTaS2HWaJss9RSIsRVfcxxoHiOM=
+github.com/valyala/fasthttp v1.56.0 h1:bEZdJev/6LCBlpdORfrLu/WOZXXxvrUQSiyniuaoW8U=
+github.com/valyala/fasthttp v1.56.0/go.mod h1:sReBt3XZVnudxuLOx4J/fMrJVorWRiWY2koQKgABiVI=
 github.com/valyala/tcplisten v1.0.0 h1:rBHj/Xf+E1tRGZyWIWwJDiRY0zc1Js+CV5DqwacVSA8=
 github.com/valyala/tcplisten v1.0.0/go.mod h1:T0xQ8SeCZGxckz9qRXTfG43PvQ/mcWh7FwZEA7Ioqkc=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
-golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
+golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
diff --git a/main.go b/main.go
index 2e19ba3..d06b2ce 100644
--- a/main.go
+++ b/main.go
@@ -8,9 +8,9 @@ import (
 
 const (
 	appName     = "rngpotd"
-	appVersion  = "0.0.2"
+	appVersion  = "0.0.3"
 	userAgent   = appName + "/" + appVersion
-	serverAgent = "nginx/1.27.1"
+	serverAgent = "nginx/1.27.2"
 
 	minimumGoMaxProcs = 4
 	maximumGoMaxProcs = 8