diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 67a8318..199850b 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
diff --git a/.github/workflows/release-image.yaml b/.github/workflows/release-image.yaml
index c881ff9..a48aa60 100644
--- a/.github/workflows/release-image.yaml
+++ b/.github/workflows/release-image.yaml
@@ -8,7 +8,7 @@ on:
 jobs:
   release:
     name: Release images
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     needs: []
     steps:
       - name: Checkout code
diff --git a/.github/workflows/release-kernel.yaml b/.github/workflows/release-kernel.yaml
index 708e6e9..6c591de 100644
--- a/.github/workflows/release-kernel.yaml
+++ b/.github/workflows/release-kernel.yaml
@@ -7,7 +7,7 @@ on:
 jobs:
   release:
     name: Release kernel images
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     needs: []
     steps:
       - name: Checkout code
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index bdae0be..0f635ee 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -8,7 +8,7 @@ on:
 jobs:
   release:
     name: Release
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     needs: []
     steps:
       - name: Checkout code
diff --git a/Makefile b/Makefile
index 60dee47..3e79fa8 100644
--- a/Makefile
+++ b/Makefile
@@ -63,8 +63,8 @@ env: ## Prepare build env
 .PHONY: build
 build: env format ## Build executables (linux/amd64 supported only)
 	mkdir -p $(BUILD_DIR)
-	GOOS=linux GOARCH=amd64 go build -o $(BUILD_DIR)/kubefire-linux-amd64 $(GO_LDFLAGS) ./cmd/kubefire
-	GOOS=linux GOARCH=arm64 go build -o $(BUILD_DIR)/kubefire-linux-arm64 $(GO_LDFLAGS) ./cmd/kubefire
+	GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -o $(BUILD_DIR)/kubefire-linux-amd64 $(GO_LDFLAGS) ./cmd/kubefire
+	GOOS=linux GOARCH=arm64 CGO_ENABLED=0 go build -o $(BUILD_DIR)/kubefire-linux-arm64 $(GO_LDFLAGS) ./cmd/kubefire
 
 .PHONY: build-cni
 build-cni: ## Build CNI executables