diff --git a/Makefile b/Makefile
index 0fbb430..4fcae1d 100644
--- a/Makefile
+++ b/Makefile
@@ -6,27 +6,27 @@ build: build-darwin-arm64 build-darwin-x64 build-linux-arm64 build-linux-x64 bui
 
 .PHONY: build-darwin-arm64
 build-darwin-arm64:
-	GOOS=darwin GOARCH=arm64 PKG_VERSION=$(PKG_VERSION) go build -o ./dist/moldable-darwin-arm64
+	GOOS=darwin GOARCH=arm64 go build -o ./dist/moldable-darwin-arm64 -ldflags "-X main.pkgVersion=$(PKG_VERSION)"
 
 .PHONY: build-linux-arm64
 build-linux-arm64:
-	GOOS=linux GOARCH=arm64 PKG_VERSION=$(PKG_VERSION) go build -o ./dist/moldable-linux-arm64
+	GOOS=linux GOARCH=arm64 go build -o ./dist/moldable-linux-arm64 -ldflags "-X main.pkgVersion=$(PKG_VERSION)"
 
 .PHONY: build-windows-arm64
 build-windows-arm64:
-	GOOS=windows GOARCH=arm64 PKG_VERSION=$(PKG_VERSION) go build -o ./dist/moldable-windows-arm64.exe
+	GOOS=windows GOARCH=arm64 go build -o ./dist/moldable-windows-arm64.exe -ldflags "-X main.pkgVersion=$(PKG_VERSION)"
 
 .PHONY: build-darwin-x64
 build-darwin-x64:
-	GOOS=darwin GOARCH=amd64 PKG_VERSION=$(PKG_VERSION) go build -o ./dist/moldable-darwin-x64
+	GOOS=darwin GOARCH=amd64 go build -o ./dist/moldable-darwin-x64 -ldflags "-X main.pkgVersion=$(PKG_VERSION)"
 
 .PHONY: build-linux-x64
 build-linux-x64:
-	GOOS=linux GOARCH=amd64 PKG_VERSION=$(PKG_VERSION) go build -o ./dist/moldable-linux-x64
+	GOOS=linux GOARCH=amd64 go build -o ./dist/moldable-linux-x64 -ldflags "-X main.pkgVersion=$(PKG_VERSION)"
 
 .PHONY: build-windows-x64
 build-windows-x64:
-	GOOS=windows GOARCH=amd64 PKG_VERSION=$(PKG_VERSION) go build -o ./dist/moldable-windows-x64.exe
+	GOOS=windows GOARCH=amd64 go build -o ./dist/moldable-windows-x64.exe -ldflags "-X main.pkgVersion=$(PKG_VERSION)"
 
 test: $(GO_FILES) go.mod go.sum
 	go test -v ./...
diff --git a/main.go b/main.go
index 8a6592d..b6448c6 100644
--- a/main.go
+++ b/main.go
@@ -1,7 +1,16 @@
 package main
 
-import "github.com/cyberagent-oss/moldable/src/cmd"
+import (
+	"os"
+
+	"github.com/cyberagent-oss/moldable/src/cmd"
+)
+
+var (
+  pkgVersion = ""
+)
 
 func main() {
+  os.Setenv("PKG_VERSION", pkgVersion)
 	cmd.Execute()
 }
diff --git a/src/cmd/version.go b/src/cmd/version.go
index 0bd17c6..d694cba 100644
--- a/src/cmd/version.go
+++ b/src/cmd/version.go
@@ -1,7 +1,7 @@
 package cmd
 
 import (
-	"log"
+	"fmt"
 	"os"
 
 	"github.com/spf13/cobra"
@@ -21,5 +21,5 @@ func init() {
 }
 
 func getVersion() {
-	log.Println(os.Getenv("PKG_VERSION"))
+	fmt.Println(os.Getenv("PKG_VERSION"))
 }