diff --git a/.github/workflows/build_and_push_alinux2_image.yml b/.github/workflows/build_and_push_alinux2_image.yml
index 04fd9dfb..d519b6d2 100644
--- a/.github/workflows/build_and_push_alinux2_image.yml
+++ b/.github/workflows/build_and_push_alinux2_image.yml
@@ -78,7 +78,7 @@ jobs:
       run:  docker exec alinux2-test bash -c "cd /root/occlum; make submodule"
 
     - name: Build source
-      run:  docker exec alinux2-test bash -c "cd /root/occlum; OCCLUM_RELEASE_BUILD=y SGX_MODE=SIM make"
+      run:  docker exec alinux2-test bash -c "source /opt/intel/sgxsdk/environment; cd /root/occlum; OCCLUM_RELEASE_BUILD=y SGX_MODE=SIM make"
 
     - name: Integration test
       run:  docker exec alinux2-test bash -c "cd /root/occlum; OCCLUM_LOG_LEVEL=trace SGX_MODE=SIM make test"
diff --git a/tools/docker/Dockerfile.aliyunlinux b/tools/docker/Dockerfile.aliyunlinux
index 9fb2e72c..a6044fa4 100644
--- a/tools/docker/Dockerfile.aliyunlinux
+++ b/tools/docker/Dockerfile.aliyunlinux
@@ -180,6 +180,7 @@ RUN rm -rf occlum && \
     source scl_source enable devtoolset-8 && \
     git clone -b $OCCLUM_BRANCH https://github.com/occlum/occlum && \
     cd occlum && \
+    source /opt/intel/sgxsdk/environment && \
     make submodule && \
     OCCLUM_RELEASE_BUILD=1 make install && \
     cp -r demos /root/demos && \