diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2aa736f2c..191047241 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -24,6 +24,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+        with:
+          submodules: recursive
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
@@ -33,22 +35,5 @@ jobs:
       - uses: actions/setup-go@v2
         with:
           go-version: "1.11.0"
-      - name: Build runtime-tools
-        run: |
-          mkdir -p $(go env GOPATH)/src/github.com/opencontainers
-          cd $(go env GOPATH)/src/github.com/opencontainers
-          git clone https://github.com/opencontainers/runtime-tools
-          cd runtime-tools
-          make runtimetest validation-executables
       - name: Run intetgration tests
-        run: |
-          expect_err_num=8
-          act_err_num=0
-          cd $(go env GOPATH)/src/github.com/opencontainers/runtime-tools
-          test_cases=("default/default.t" "linux_cgroups_devices/linux_cgroups_devices.t" "linux_cgroups_hugetlb/linux_cgroups_hugetlb.t" "linux_cgroups_pids/linux_cgroups_pids.t", "linux_cgroups_memory/linux_cgroups_memory.t", "linux_cgroups_network/linux_cgroups_network.t")
-          for case in "${test_cases[@]}"; do
-            title="Running $case"
-            if [ 0 -ne $(sudo RUST_BACKTRACE=1 RUNTIME=$GITHUB_WORKSPACE/target/x86_64-unknown-linux-gnu/debug/youki ./validation/$case | grep "not ok" | wc -l) ]; then
-              exit 1
-            fi
-          done
+        run: ./integration_test.sh
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000..ccbf3c853
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "integration_test/src/github.com/opencontainers/runtime-tools"]
+	path = integration_test/src/github.com/opencontainers/runtime-tools
+	url = https://github.com/opencontainers/runtime-tools.git
diff --git a/README.md b/README.md
index e68c65f8e..1738a1e17 100644
--- a/README.md
+++ b/README.md
@@ -57,8 +57,12 @@ $ docker run -it --rm --runtime youki busybox
 
 ### Integration test
 
-You can use [opencontainers/runtime-rools](https://github.com/opencontainers/runtime-tools) to do integration testing used in CI.
-See it's documentation for details.
+Go and node-tap are required to run integration test. See the [opencontainers/runtime-tools]((https://github.com/opencontainers/runtime-tools) README for details.
+
+```
+$ git submodule update --init --recursive
+$ ./integration_test.sh
+```
 
 # Design and implementation of youki
 
diff --git a/integration_test.sh b/integration_test.sh
new file mode 100755
index 000000000..9e6395868
--- /dev/null
+++ b/integration_test.sh
@@ -0,0 +1,12 @@
+#!/bin/bash -eu
+
+root=$(pwd)
+cd integration_test/src/github.com/opencontainers/runtime-tools
+GOPATH=$root/integration_test make runtimetest validation-executables
+test_cases=("default/default.t" "linux_cgroups_devices/linux_cgroups_devices.t" "linux_cgroups_hugetlb/linux_cgroups_hugetlb.t" "linux_cgroups_pids/linux_cgroups_pids.t" "linux_cgroups_memory/linux_cgroups_memory.t" "linux_cgroups_network/linux_cgroups_network.t")
+for case in "${test_cases[@]}"; do
+  echo "Running $case"
+  if [ 0 -ne $(sudo RUST_BACKTRACE=1 RUNTIME=$root/target/x86_64-unknown-linux-gnu/debug/youki $root/integration_test/src/github.com/opencontainers/runtime-tools/validation/$case | grep "not ok" | wc -l) ]; then
+      exit 1
+  fi
+done
diff --git a/integration_test/src/github.com/opencontainers/runtime-tools b/integration_test/src/github.com/opencontainers/runtime-tools
new file mode 160000
index 000000000..59cdde067
--- /dev/null
+++ b/integration_test/src/github.com/opencontainers/runtime-tools
@@ -0,0 +1 @@
+Subproject commit 59cdde06764be8d761db120664020f0415f36045