diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml
index 07398017bd..04510e359e 100644
--- a/.github/workflows/CI.yaml
+++ b/.github/workflows/CI.yaml
@@ -20,9 +20,9 @@ on:
 permissions: read-all
 
 env:
-  GO_VERSION: "~1.21"
+  GO_VERSION: "~1.22"
   # renovate: datasource=github-releases depName=kubernetes-sigs/controller-tools
-  CONTROLLER_TOOLS_VERSION: "v0.13.0"
+  CONTROLLER_TOOLS_VERSION: "v0.15.0"
   ENVTEST_K8S_VERSION: "1.24.2"
   SCHEDULER_COMPATIBLE_K8S_VERSION: "v0.24.3"
 defaults:
diff --git a/.github/workflows/component-test.yml b/.github/workflows/component-test.yml
index ccdfd5c3d6..1544667f98 100644
--- a/.github/workflows/component-test.yml
+++ b/.github/workflows/component-test.yml
@@ -9,7 +9,7 @@ on:
 permissions: read-all
 
 env:
-  GO_VERSION: "~1.21"
+  GO_VERSION: "~1.22"
 defaults:
   run:
     shell: bash
diff --git a/.github/workflows/e2e-test.yml b/.github/workflows/e2e-test.yml
index 47381a2bfc..1f01d13d30 100644
--- a/.github/workflows/e2e-test.yml
+++ b/.github/workflows/e2e-test.yml
@@ -11,7 +11,7 @@ on:
 permissions: read-all
 
 env:
-  GO_VERSION: "~1.21"
+  GO_VERSION: "~1.22"
 defaults:
   run:
     shell: bash
diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index 5e145a7aa4..c05f7bbff0 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -22,7 +22,7 @@ permissions: read-all
 env:
   # renovate: datasource=github-releases depName=golangci/golangci-lint
   GOLANGCI_LINT_VERSION: "v1.55.2"
-  GO_VERSION: "~1.21"
+  GO_VERSION: "~1.22"
 jobs:
   golangci-lint:
     name: golangci-lint
diff --git a/.github/workflows/integration-test-component.yml b/.github/workflows/integration-test-component.yml
index 71e8a49d5b..d844aa8cb3 100644
--- a/.github/workflows/integration-test-component.yml
+++ b/.github/workflows/integration-test-component.yml
@@ -15,7 +15,7 @@ on:
 permissions: read-all
 
 env:
-  GO_VERSION: "~1.21"
+  GO_VERSION: "~1.22"
 defaults:
   run:
     shell: bash
diff --git a/.github/workflows/integration-test.yml b/.github/workflows/integration-test.yml
index 6224187577..96225be2e8 100644
--- a/.github/workflows/integration-test.yml
+++ b/.github/workflows/integration-test.yml
@@ -19,7 +19,7 @@ on:
 permissions: read-all
 
 env:
-  GO_VERSION: "~1.21"
+  GO_VERSION: "~1.22"
 defaults:
   run:
     shell: bash
diff --git a/.github/workflows/load-test.yml b/.github/workflows/load-test.yml
index 87456a02c8..2616d654af 100644
--- a/.github/workflows/load-test.yml
+++ b/.github/workflows/load-test.yml
@@ -11,7 +11,7 @@ on:
 permissions: read-all
 
 env:
-  GO_VERSION: "~1.21"
+  GO_VERSION: "~1.22"
   # renovate: datasource=github-tags depName=cloud-bulldozer/kube-burner
   KUBE_BURNER_VERSION: "v1.7.11"
 defaults:
diff --git a/.github/workflows/markdown-checks.yaml b/.github/workflows/markdown-checks.yaml
index 57b039dedb..a165123002 100644
--- a/.github/workflows/markdown-checks.yaml
+++ b/.github/workflows/markdown-checks.yaml
@@ -22,7 +22,7 @@ on:
 permissions: read-all
 
 env:
-  GO_VERSION: "~1.21"
+  GO_VERSION: "~1.22"
 
 defaults:
   run:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b068bb3089..19542bf7da 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,9 +15,9 @@ defaults:
     shell: bash
 
 env:
-  GO_VERSION: "~1.21"
+  GO_VERSION: "~1.22"
   # renovate: datasource=github-releases depName=kubernetes-sigs/controller-tools
-  CONTROLLER_TOOLS_VERSION: "v0.13.0"
+  CONTROLLER_TOOLS_VERSION: "v0.15.0"
   SCHEDULER_COMPATIBLE_K8S_VERSION: "v0.24.3"
   PUBLISHABLE_ITEMS: '[".","lifecycle-operator","metrics-operator","keptn-cert-manager","runtimes/deno-runtime","runtimes/python-runtime","scheduler"]'
 
diff --git a/.github/workflows/security-scans.yml b/.github/workflows/security-scans.yml
index 9e54a0412d..e3fe5228bf 100644
--- a/.github/workflows/security-scans.yml
+++ b/.github/workflows/security-scans.yml
@@ -17,7 +17,7 @@ defaults:
     shell: bash
 
 env:
-  GO_VERSION: "~1.21"
+  GO_VERSION: "~1.22"
 
 jobs:
   prepare-security-scans:
diff --git a/.golangci.yml b/.golangci.yml
index 1f4e598a1a..169d96f98e 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -1,6 +1,6 @@
 run:
   timeout: 5m
-  go: "~1.21"
+  go: "~1.22"
 linters:
   enable:
     - gofmt         # Gofmt checks whether code was gofmt-ed. By default, this tool runs with -s option to check for code simplification
diff --git a/keptn-cert-manager/Dockerfile b/keptn-cert-manager/Dockerfile
index ba4a5d2a27..4f4cf5736b 100644
--- a/keptn-cert-manager/Dockerfile
+++ b/keptn-cert-manager/Dockerfile
@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM --platform=$BUILDPLATFORM golang:1.21.12-alpine3.19 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.22.5-alpine3.19 AS builder
 
 ENV CGO_ENABLED=0
 
diff --git a/keptn-cert-manager/go.mod b/keptn-cert-manager/go.mod
index a11cb231e3..af9fbd3264 100644
--- a/keptn-cert-manager/go.mod
+++ b/keptn-cert-manager/go.mod
@@ -1,6 +1,6 @@
 module github.com/keptn/lifecycle-toolkit/keptn-cert-manager
 
-go 1.21
+go 1.22
 
 require (
 	github.com/go-logr/logr v1.4.2
diff --git a/lifecycle-operator/Dockerfile b/lifecycle-operator/Dockerfile
index 9300621432..92d93b3c58 100644
--- a/lifecycle-operator/Dockerfile
+++ b/lifecycle-operator/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.21.12-alpine3.19 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.22.5-alpine3.19 AS builder
 
 ENV CGO_ENABLED=0
 
diff --git a/lifecycle-operator/go.mod b/lifecycle-operator/go.mod
index d75c3f54cc..03f206490c 100644
--- a/lifecycle-operator/go.mod
+++ b/lifecycle-operator/go.mod
@@ -1,6 +1,6 @@
 module github.com/keptn/lifecycle-toolkit/lifecycle-operator
 
-go 1.21
+go 1.22
 
 require (
 	dario.cat/mergo v1.0.0
diff --git a/metrics-operator/Dockerfile b/metrics-operator/Dockerfile
index 89079b98b5..e7bb022d37 100644
--- a/metrics-operator/Dockerfile
+++ b/metrics-operator/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.21.12-alpine3.19 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.22.5-alpine3.19 AS builder
 
 ENV CGO_ENABLED=0
 
diff --git a/metrics-operator/go.mod b/metrics-operator/go.mod
index 81b529f043..9801426dbd 100644
--- a/metrics-operator/go.mod
+++ b/metrics-operator/go.mod
@@ -1,6 +1,6 @@
 module github.com/keptn/lifecycle-toolkit/metrics-operator
 
-go 1.21
+go 1.22
 
 require (
 	github.com/DataDog/datadog-api-client-go/v2 v2.25.0
diff --git a/scheduler/Dockerfile b/scheduler/Dockerfile
index 408bf4f8ce..db9e90ec9e 100644
--- a/scheduler/Dockerfile
+++ b/scheduler/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM golang:1.21.12-alpine3.19 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.22.5-alpine3.19 AS builder
 
 ENV CGO_ENABLED=0
 
diff --git a/scheduler/go.mod b/scheduler/go.mod
index 53b022af58..4f59701dbe 100644
--- a/scheduler/go.mod
+++ b/scheduler/go.mod
@@ -1,6 +1,6 @@
 module github.com/keptn/lifecycle-toolkit/scheduler
 
-go 1.21
+go 1.22
 
 require (
 	github.com/kelseyhightower/envconfig v1.4.0