diff --git a/.github/workflows/waf-build-v03.yml b/.github/workflows/waf-build-v03.yml
index 2307c6c..2d3c39d 100644
--- a/.github/workflows/waf-build-v03.yml
+++ b/.github/workflows/waf-build-v03.yml
@@ -17,10 +17,10 @@
       run: |
         sudo apt-get install pkg-config libssl-dev libsqlite3-dev
         wget https://github.com/actions/boost-versions/releases/download/1.72.0-20200608.4/boost-1.72.0-linux-18.04-gcc-x64.tar.gz
-        tar -zxvf boost-1.72.0-linux-18.04-gcc-x64.tar.gz
+        tar -zxvf boost-1.72.0-linux-18.04-gcc-x64.tar.gz > /dev/null 2>&1
         cd boost-1.72.0-linux-18.04-gcc-x64
-        ./bootstrap.sh
-        sudo ./b2 install
+        ./bootstrap.sh > /dev/null 2>&1
+        sudo ./b2 install > /dev/null 2>&1
         cd ..
     - name: prepare ndncxx
       run: |