diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 31ddd2e..633c68c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     # Whenever the Go version is updated here, .promu.yml
     # should also be updated.
     container:
-      image: quay.io/prometheus/golang-builder:1.19-base
+      image: quay.io/prometheus/golang-builder:1.22-base
     steps:
       - uses: actions/checkout@v4
       - uses: prometheus/promci@v0.1.0
@@ -40,10 +40,11 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '<1.19'
+          go-version: '<1.22'
       - name: Lint
         uses: golangci/golangci-lint-action@v4.0.0
         with:
+          # Keep in sync with Makefile.common
           version: v1.56.2
 
   # modified from the original as this repo still using master, insteead of main
diff --git a/.promu.yml b/.promu.yml
index a419c6d..2d13006 100644
--- a/.promu.yml
+++ b/.promu.yml
@@ -1,7 +1,7 @@
 go:
     # Whenever the Go version is updated here,
-    # .circle/config.yml should also be updated.
-    version: 1.19
+    # .github/workflows/ci.yml should also be updated.
+    version: 1.22
     # cgo: false
 repository:
     path: github.com/Lusitaniae/apache_exporter
diff --git a/Makefile b/Makefile
index 3cfd8df..ae6c68a 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ all:: vet checkmetrics common-all
 
 include Makefile.common
 
-PROMETHEUS_VERSION=2.39.1
+PROMETHEUS_VERSION=2.50.1
 PROMTOOL ?= /tmp/prometheus-$(PROMETHEUS_VERSION).linux-amd64/promtool
 
 .PHONY: checkmetrics
diff --git a/Makefile.common b/Makefile.common
index d46c9db..ad37407 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -83,7 +83,8 @@ PROMU_URL     := https://github.com/prometheus/promu/releases/download/v$(PROMU_
 
 GOLANGCI_LINT :=
 GOLANGCI_LINT_OPTS ?=
-GOLANGCI_LINT_VERSION ?= v1.51.1
+# Keep in sync .github/workflows/ci.yaml
+GOLANGCI_LINT_VERSION ?= v1.56.2
 # golangci-lint only supports linux, darwin and windows platforms on i386/amd64.
 # windows isn't included here because of the path separator being different.
 ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin))