diff --git a/.github/workflows/e2e-test.yaml b/.github/workflows/e2e-test.yaml
index 6dec237b..a108b5f6 100644
--- a/.github/workflows/e2e-test.yaml
+++ b/.github/workflows/e2e-test.yaml
@@ -23,7 +23,7 @@ jobs:
           file: Dockerfile.controller
           push: true
           build-args: |
-            GO_BUILDER_IMG=golang:1.17
+            GO_BUILDER_IMG=golang:1.18
           tags: |
             ghcr.io/grafana/operator:${{ github.sha }}
   kind:
diff --git a/.github/workflows/push.yaml b/.github/workflows/push.yaml
index 480df66d..8157ad2b 100644
--- a/.github/workflows/push.yaml
+++ b/.github/workflows/push.yaml
@@ -45,7 +45,7 @@ jobs:
           push: true
           file: Dockerfile.controller
           build-args: |
-            GO_BUILDER_IMG=golang:1.17
+            GO_BUILDER_IMG=golang:1.18
           tags: ghcr.io/grafana/operator:latest,ghcr.io/grafana/operator:controller-${{env.IMAGETAG}}
       - name: "Build:dockerimage"
         uses: docker/build-push-action@v2
diff --git a/.github/workflows/unit-test.yaml b/.github/workflows/unit-test.yaml
index c943afac..1f36d162 100644
--- a/.github/workflows/unit-test.yaml
+++ b/.github/workflows/unit-test.yaml
@@ -7,7 +7,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.16.x]
+        go-version: [1.18.x]
         k8s_version: [1.19.2]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}