diff --git a/prog/weaver/main.go b/prog/weaver/main.go
index 53aa3b20..e38a5a52 100644
--- a/prog/weaver/main.go
+++ b/prog/weaver/main.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"net"
 	"net/http"
+	_ "net/http/pprof"
 	"os"
 	"runtime"
 	"strings"