diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml
index c076bad0f6..95441f5331 100644
--- a/.github/workflows/CI.yaml
+++ b/.github/workflows/CI.yaml
@@ -11,7 +11,7 @@ on:
       - 'main'
       - '[0-9]+.[1-9][0-9]*.x'
 env:
-  GO_VERSION: "~1.18"
+  GO_VERSION: "~1.19"
   CONTROLLER_TOOLS_VERSION: "v0.9.2"
   ENVTEST_K8S_VERSION: "1.24.2"
   SCHEDULER_COMPATIBLE_K8S_VERSION: "v0.24.3"
diff --git a/.github/workflows/component-test.yml b/.github/workflows/component-test.yml
index a9eeaea1c1..809c0e3b6c 100644
--- a/.github/workflows/component-test.yml
+++ b/.github/workflows/component-test.yml
@@ -2,7 +2,7 @@ name: Component Tests
 on:
   workflow_call:
 env:
-  GO_VERSION: "~1.18"
+  GO_VERSION: "~1.19"
 defaults:
   run:
     shell: bash
diff --git a/.github/workflows/e2e-test.yml b/.github/workflows/e2e-test.yml
index c080756d35..3bb617c314 100644
--- a/.github/workflows/e2e-test.yml
+++ b/.github/workflows/e2e-test.yml
@@ -2,7 +2,7 @@ name: E2E-Test
 on:
   workflow_call:
 env:
-  GO_VERSION: "~1.18"
+  GO_VERSION: "~1.19"
   CERT_MANAGER_VERSION: "v1.10.0"
 defaults:
   run:
diff --git a/.github/workflows/integration-test.yml b/.github/workflows/integration-test.yml
index f1fc5e6a4e..9658f09829 100644
--- a/.github/workflows/integration-test.yml
+++ b/.github/workflows/integration-test.yml
@@ -2,7 +2,7 @@ name: Integration-Test
 on:
   workflow_call:
 env:
-  GO_VERSION: "~1.18"
+  GO_VERSION: "~1.19"
   CERT_MANAGER_VERSION: "v1.10.0"
   KUTTL_VERSION: "0.13.0"
 
diff --git a/.github/workflows/performance-test.yml b/.github/workflows/performance-test.yml
index 9249e7a0f7..6c7e2ffe78 100644
--- a/.github/workflows/performance-test.yml
+++ b/.github/workflows/performance-test.yml
@@ -2,7 +2,7 @@ name: Performance Tests
 on:
   workflow_call:
 env:
-  GO_VERSION: "~1.18"
+  GO_VERSION: "~1.19"
   CERT_MANAGER_VERSION: "v1.10.0"
   USE_EXISTING_CLUSTER: "true"
 defaults:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e54ebbf006..35867c3422 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,7 +11,7 @@ defaults:
     shell: bash
 
 env:
-  GO_VERSION: "1.18"
+  GO_VERSION: "1.19"
   CONTROLLER_TOOLS_VERSION: "v0.9.2"
   SCHEDULER_COMPATIBLE_K8S_VERSION: "v0.24.3"
 
diff --git a/operator/Dockerfile b/operator/Dockerfile
index 11db4d3043..0ccdf29fd5 100644
--- a/operator/Dockerfile
+++ b/operator/Dockerfile
@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM --platform=$BUILDPLATFORM golang:1.18.8-alpine3.16 as builder
+FROM --platform=$BUILDPLATFORM golang:1.19.3-alpine3.16 as builder
 
 ARG CONTROLLER_TOOLS_VERSION=v0.9.2
 ARG GIT_HASH
diff --git a/operator/go.mod b/operator/go.mod
index ae4ed53392..e034d1a669 100644
--- a/operator/go.mod
+++ b/operator/go.mod
@@ -1,6 +1,6 @@
 module github.com/keptn/lifecycle-toolkit/operator
 
-go 1.18
+go 1.19
 
 require (
 	github.com/go-logr/logr v1.2.3
diff --git a/scheduler/Dockerfile b/scheduler/Dockerfile
index 4fdc3e45f8..f8e45e59d7 100644
--- a/scheduler/Dockerfile
+++ b/scheduler/Dockerfile
@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-FROM --platform=$BUILDPLATFORM golang:1.18.8-alpine3.16 as builder
+FROM --platform=$BUILDPLATFORM golang:1.19.3-alpine3.16 as builder
 
 ARG SCHEDULER_COMPATIBLE_K8S_VERSION
 ARG RELEASE_VERSION
diff --git a/scheduler/go.mod b/scheduler/go.mod
index 82efbf7edd..9149d57cad 100644
--- a/scheduler/go.mod
+++ b/scheduler/go.mod
@@ -1,6 +1,6 @@
 module github.com/keptn/lifecycle-toolkit/scheduler
 
-go 1.18
+go 1.19
 
 require (
 	github.com/kelseyhightower/envconfig v1.4.0