diff --git a/.github/workflows/package_repo_setup_and_test.yml b/.github/workflows/package_repo_setup_and_test.yml
index a41009e9..b4e490ad 100644
--- a/.github/workflows/package_repo_setup_and_test.yml
+++ b/.github/workflows/package_repo_setup_and_test.yml
@@ -106,7 +106,9 @@ jobs:
 
     - name: Configure sgx and occlum deb repo
       run: |
-          docker exec ubuntu bash -c "apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends ca-certificates gnupg2 jq make gdb wget libfuse-dev libtool;
+          # Set the default timezone to make tzdata work
+          docker exec ubuntu bash -c "ln -snf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo Asia/Shanghai > /etc/timezone"
+          docker exec ubuntu bash -c "apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends ca-certificates gnupg2 jq make gdb wget libfuse-dev libtool tzdata;
             echo 'deb [arch=amd64] https://download.01.org/intel-sgx/sgx_repo/ubuntu bionic main' | tee /etc/apt/sources.list.d/intel-sgx.list;
             wget -qO - https://download.01.org/intel-sgx/sgx_repo/ubuntu/intel-sgx-deb.key | apt-key add -"
           docker exec ubuntu bash -c "echo 'deb [arch=amd64] https://occlum.io/occlum-package-repos/debian bionic main' | tee /etc/apt/sources.list.d/occlum.list;