diff --git a/.drone.windows.yml b/.drone.windows.yml
index dec9426..8b1fde6 100644
--- a/.drone.windows.yml
+++ b/.drone.windows.yml
@@ -34,6 +34,12 @@ volumes:
 - name: gopath
   temp: {}
 
+trigger:
+  ref:
+  - refs/heads/master
+  - "refs/tags/**"
+  - "refs/pull/**"
+
 ---
 kind: pipeline
 name: windows-1803
@@ -48,7 +54,7 @@ steps:
   pull: always
   image: golang:1.11-windowsservercore-1803
   commands:
-  - "go build -v -ldflags \"-X main.build=${DRONE_BUILD_NUMBER}\" -a -o release/windows/amd64/drone-webhook.exe"
+  - "go build -v -ldflags \"-X main.version=${DRONE_COMMIT_SHA:0:8}\" -a -tags netgo -o release/windows/amd64/drone-webhook.exe"
   environment:
     CGO_ENABLED: 0
     GO111MODULE: on
@@ -61,7 +67,7 @@ steps:
   pull: always
   image: golang:1.11-windowsservercore-1803
   commands:
-  - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v} -X main.build=${DRONE_BUILD_NUMBER}\" -a -o release/windows/amd64/drone-webhook.exe"
+  - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v}\" -a -tags netgo -o release/windows/amd64/drone-webhook.exe"
   environment:
     CGO_ENABLED: 0
     GO111MODULE: on
@@ -124,8 +130,8 @@ volumes:
 trigger:
   ref:
   - refs/heads/master
-  - "refs/pulls/**"
   - "refs/tags/**"
+  - "refs/pull/**"
 
 depends_on:
 - testing
@@ -144,7 +150,7 @@ steps:
   pull: always
   image: golang:1.11-windowsservercore-1809
   commands:
-  - "go build -v -ldflags \"-X main.build=${DRONE_BUILD_NUMBER}\" -a -o release/windows/amd64/drone-webhook.exe"
+  - "go build -v -ldflags \"-X main.version=${DRONE_COMMIT_SHA:0:8}\" -a -tags netgo -o release/windows/amd64/drone-webhook.exe"
   environment:
     CGO_ENABLED: 0
     GO111MODULE: on
@@ -157,7 +163,7 @@ steps:
   pull: always
   image: golang:1.11-windowsservercore-1809
   commands:
-  - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v} -X main.build=${DRONE_BUILD_NUMBER}\" -a -o release/windows/amd64/drone-webhook.exe"
+  - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v}\" -a -tags netgo -o release/windows/amd64/drone-webhook.exe"
   environment:
     CGO_ENABLED: 0
     GO111MODULE: on
@@ -220,8 +226,8 @@ volumes:
 trigger:
   ref:
   - refs/heads/master
-  - "refs/pulls/**"
   - "refs/tags/**"
+  - "refs/pull/**"
 
 depends_on:
 - testing
diff --git a/.drone.yml b/.drone.yml
index 7311ca0..35fe23e 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -33,6 +33,12 @@ volumes:
 - name: gopath
   temp: {}
 
+trigger:
+  ref:
+  - refs/heads/master
+  - "refs/tags/**"
+  - "refs/pull/**"
+
 ---
 kind: pipeline
 name: linux-amd64
@@ -46,7 +52,7 @@ steps:
   pull: always
   image: golang:1.11
   commands:
-  - "go build -v -ldflags \"-X main.build=${DRONE_BUILD_NUMBER}\" -a -o release/linux/amd64/drone-webhook"
+  - "go build -v -ldflags \"-X main.version=${DRONE_COMMIT_SHA:0:8}\" -a -tags netgo -o release/linux/amd64/drone-webhook"
   environment:
     CGO_ENABLED: 0
     GO111MODULE: on
@@ -59,7 +65,7 @@ steps:
   pull: always
   image: golang:1.11
   commands:
-  - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v} -X main.build=${DRONE_BUILD_NUMBER}\" -a -o release/linux/amd64/drone-webhook"
+  - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v}\" -a -tags netgo -o release/linux/amd64/drone-webhook"
   environment:
     CGO_ENABLED: 0
     GO111MODULE: on
@@ -111,8 +117,8 @@ steps:
 trigger:
   ref:
   - refs/heads/master
-  - "refs/pulls/**"
   - "refs/tags/**"
+  - "refs/pull/**"
 
 depends_on:
 - testing
@@ -130,7 +136,7 @@ steps:
   pull: always
   image: golang:1.11
   commands:
-  - "go build -v -ldflags \"-X main.build=${DRONE_BUILD_NUMBER}\" -a -o release/linux/arm64/drone-webhook"
+  - "go build -v -ldflags \"-X main.version=${DRONE_COMMIT_SHA:0:8}\" -a -tags netgo -o release/linux/arm64/drone-webhook"
   environment:
     CGO_ENABLED: 0
     GO111MODULE: on
@@ -143,7 +149,7 @@ steps:
   pull: always
   image: golang:1.11
   commands:
-  - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v} -X main.build=${DRONE_BUILD_NUMBER}\" -a -o release/linux/arm64/drone-webhook"
+  - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v}\" -a -tags netgo -o release/linux/arm64/drone-webhook"
   environment:
     CGO_ENABLED: 0
     GO111MODULE: on
@@ -195,8 +201,8 @@ steps:
 trigger:
   ref:
   - refs/heads/master
-  - "refs/pulls/**"
   - "refs/tags/**"
+  - "refs/pull/**"
 
 depends_on:
 - testing
@@ -214,7 +220,7 @@ steps:
   pull: always
   image: golang:1.11
   commands:
-  - "go build -v -ldflags \"-X main.build=${DRONE_BUILD_NUMBER}\" -a -o release/linux/arm/drone-webhook"
+  - "go build -v -ldflags \"-X main.version=${DRONE_COMMIT_SHA:0:8}\" -a -tags netgo -o release/linux/arm/drone-webhook"
   environment:
     CGO_ENABLED: 0
     GO111MODULE: on
@@ -227,7 +233,7 @@ steps:
   pull: always
   image: golang:1.11
   commands:
-  - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v} -X main.build=${DRONE_BUILD_NUMBER}\" -a -o release/linux/arm/drone-webhook"
+  - "go build -v -ldflags \"-X main.version=${DRONE_TAG##v}\" -a -tags netgo -o release/linux/arm/drone-webhook"
   environment:
     CGO_ENABLED: 0
     GO111MODULE: on
@@ -279,8 +285,8 @@ steps:
 trigger:
   ref:
   - refs/heads/master
-  - "refs/pulls/**"
   - "refs/tags/**"
+  - "refs/pull/**"
 
 depends_on:
 - testing
diff --git a/main.go b/main.go
index 0cfbbaf..46cf8f3 100644
--- a/main.go
+++ b/main.go
@@ -9,8 +9,7 @@ import (
 )
 
 var (
-	version = "0.0.0"
-	build   = "0"
+	version = "unknown"
 )
 
 func main() {
@@ -18,7 +17,7 @@ func main() {
 	app.Name = "webhook plugin"
 	app.Usage = "webhook plugin"
 	app.Action = run
-	app.Version = fmt.Sprintf("%s+%s", version, build)
+	app.Version = version
 	app.Flags = []cli.Flag{
 		cli.StringFlag{
 			Name:   "method",
diff --git a/pipeline.libsonnet b/pipeline.libsonnet
index 00b01b7..aab20bd 100644
--- a/pipeline.libsonnet
+++ b/pipeline.libsonnet
@@ -46,6 +46,13 @@ local golang_image(os, version) =
           volumes: volumes,
         },
       ],
+      trigger: {
+        ref: [
+          'refs/heads/master',
+          'refs/tags/**',
+          'refs/pull/**',
+        ],
+      },
       volumes: [{name: 'gopath', temp: {}}]
     },
 
@@ -75,7 +82,7 @@ local golang_image(os, version) =
             GO111MODULE: 'on',
           },
           commands: [
-            'go build -v -ldflags "-X main.build=${DRONE_BUILD_NUMBER}" -a -o release/' + os + '/' + arch + '/' + name + extension,
+            'go build -v -ldflags "-X main.version=${DRONE_COMMIT_SHA:0:8}" -a -tags netgo -o release/' + os + '/' + arch + '/' + name + extension,
           ],
           when: {
             event: {
@@ -92,7 +99,7 @@ local golang_image(os, version) =
             GO111MODULE: 'on',
           },
           commands: [
-            'go build -v -ldflags "-X main.version=${DRONE_TAG##v} -X main.build=${DRONE_BUILD_NUMBER}" -a -o release/' + os + '/' + arch + '/' + name + extension,
+            'go build -v -ldflags "-X main.version=${DRONE_TAG##v}" -a -tags netgo -o release/' + os + '/' + arch + '/' + name + extension,
           ],
           when: {
             event: ['tag'],
@@ -148,8 +155,8 @@ local golang_image(os, version) =
       trigger: {
         ref: [
           'refs/heads/master',
-          'refs/pulls/**',
           'refs/tags/**',
+          'refs/pull/**',
         ],
       },
       depends_on: [test_pipeline_name],
@@ -186,12 +193,12 @@ local golang_image(os, version) =
           },
         },
       ],
-      depends_on: depends_on,
       trigger: {
         ref: [
           'refs/heads/master',
           'refs/tags/**',
         ],
       },
+      depends_on: depends_on,
     },
 }