diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index fb3657cd..771f741c 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -28,7 +28,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17.x
+          go-version: 1.18.x
       - name: Download modules
         run: |
           go mod download
diff --git a/Dockerfile b/Dockerfile
index b03f6746..0d3433ee 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.17-alpine as builder
+FROM golang:1.18-alpine as builder
 
 ARG TARGETPLATFORM
 ARG REVISON
@@ -21,7 +21,7 @@ RUN CGO_ENABLED=0 go build \
     -ldflags "-s -w -X github.com/fluxcd/flagger/pkg/version.REVISION=${REVISON}" \
     -a -o flagger ./cmd/flagger
 
-FROM alpine:3.15
+FROM alpine:3.16
 
 RUN apk --no-cache add ca-certificates
 
diff --git a/Dockerfile.loadtester b/Dockerfile.loadtester
index 6d2a1581..12160a0e 100644
--- a/Dockerfile.loadtester
+++ b/Dockerfile.loadtester
@@ -1,4 +1,4 @@
-FROM golang:1.17-alpine as builder
+FROM golang:1.18-alpine as builder
 
 ARG TARGETPLATFORM
 ARG TARGETARCH
diff --git a/Makefile b/Makefile
index a9482875..f51433e2 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ build:
 	CGO_ENABLED=0 go build -a -o ./bin/flagger ./cmd/flagger
 
 tidy:
-	rm -f go.sum; go mod tidy -compat=1.17
+	rm -f go.sum; go mod tidy -compat=1.18
 
 vet:
 	go vet ./...
diff --git a/docs/gitbook/dev/dev-guide.md b/docs/gitbook/dev/dev-guide.md
index 52784517..19cb2726 100644
--- a/docs/gitbook/dev/dev-guide.md
+++ b/docs/gitbook/dev/dev-guide.md
@@ -8,7 +8,7 @@ Flagger is written in Go and uses Go modules for dependency management.
 
 On your dev machine install the following tools:
 
-* go >= 1.17
+* go >= 1.18
 * git >;= 2.20
 * bash >= 5.0
 * make >= 3.81
diff --git a/go.mod b/go.mod
index a9f59cea..76d85d6c 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/fluxcd/flagger
 
-go 1.17
+go 1.18
 
 require (
 	cloud.google.com/go/monitoring v1.5.0
@@ -27,7 +27,7 @@ require (
 )
 
 // Fix CVE-2022-28948
-replace gopkg.in/yaml.v3 => gopkg.in/yaml.v3 v3.0.0
+replace gopkg.in/yaml.v3 => gopkg.in/yaml.v3 v3.0.1
 
 require (
 	cloud.google.com/go/compute v1.6.1 // indirect
diff --git a/go.sum b/go.sum
index ea236fe4..8b9f83d5 100644
--- a/go.sum
+++ b/go.sum
@@ -26,7 +26,6 @@ cloud.google.com/go v0.93.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+Y
 cloud.google.com/go v0.94.1/go.mod h1:qAlAugsXlC+JWO+Bke5vCtc9ONxjQT3drlTTnAplMW4=
 cloud.google.com/go v0.97.0/go.mod h1:GF7l59pYBVlXQIBLx3a761cZ41F9bBH3JUlihCt2Udc=
 cloud.google.com/go v0.99.0/go.mod h1:w0Xx2nLzqWJPuozYQX+hFfCSI8WioryfRDzkoI/Y2ZA=
-cloud.google.com/go v0.100.2 h1:t9Iw5QH5v4XtlEQaCtUY7x6sCABps8sW0acw7e2WQ6Y=
 cloud.google.com/go v0.100.2/go.mod h1:4Xra9TjzAeYHrl5+oeLlzbM2k3mjVhZh4UqTZ//w99A=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
@@ -88,7 +87,6 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
@@ -910,8 +908,8 @@ gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0 h1:hjy8E9ON/egN1tAYqKb61G10WtihqetD4sz2H+8nIeA=
-gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=