diff --git a/.github/workflows/build-deb.yml b/.github/workflows/build-deb.yml
index 6298992b..d2e1dd5b 100644
--- a/.github/workflows/build-deb.yml
+++ b/.github/workflows/build-deb.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   build-deb:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     env:
       SGX_MODE: HW
     steps:
diff --git a/docker/node.Dockerfile b/docker/node.Dockerfile
index 46734a97..ddf6dd2c 100644
--- a/docker/node.Dockerfile
+++ b/docker/node.Dockerfile
@@ -1,5 +1,5 @@
 ############ Install Intel SGX SDK & SGX PSW
-FROM ghcr.io/initc3/linux-sgx:2.19-jammy as base
+FROM ghcr.io/sigmagmbh/sgx:2.19-bionic as base
 RUN wget -qO - https://download.01.org/intel-sgx/sgx_repo/ubuntu/intel-sgx-deb.key | apt-key add -
 RUN apt-get update