diff --git a/mylg/mylg.spec b/mylg/mylg.spec
index 2b9b8232d8..94b36176e8 100644
--- a/mylg/mylg.spec
+++ b/mylg/mylg.spec
@@ -23,7 +23,7 @@
 
 #   package version
 %define       V_opkg  0.2.6
-%define       V_dist  20180804
+%define       V_dist  20210117
 
 #   package information
 Name:         mylg
@@ -36,7 +36,7 @@ Class:        EVAL
 Group:        Networking
 License:      MIT
 Version:      %{V_opkg}.%{V_dist}
-Release:      20180804
+Release:      20210117
 
 #   list of sources
 Source0:      http://download.openpkg.org/components/versioned/mylg/mylg-%{V_dist}.tar.xz
@@ -69,14 +69,16 @@ PreReq:       libpcap
 %build
     #   build program
     export GOPATH=`pwd`
-    go build -x -o mylg src/github.com/mehrdadrad/mylg/mylg.go
+    cd src/github.com/mehrdadrad/mylg
+    go build -v -o mylg mylg.go
 
 %install
     #   install program
     %{l_shtool} mkdir -f -p -m 755 \
         $RPM_BUILD_ROOT%{l_prefix}/bin
     %{l_shtool} install -c -s -m 755 \
-        mylg $RPM_BUILD_ROOT%{l_prefix}/bin/
+        src/github.com/mehrdadrad/mylg/mylg \
+        $RPM_BUILD_ROOT%{l_prefix}/bin/
 
     #   determine installation files
     %{l_rpmtool} files -v -ofiles -r$RPM_BUILD_ROOT %{l_files_std}