diff --git a/.github/workflows/ci-dockers-pytorch.yml b/.github/workflows/ci-dockers-pytorch.yml
index 0d98e315c1..45be447fb1 100644
--- a/.github/workflows/ci-dockers-pytorch.yml
+++ b/.github/workflows/ci-dockers-pytorch.yml
@@ -36,7 +36,7 @@ jobs:
     # the images generated by this job are not used anywhere in this repository. they are just meant to be available
     # for users
     if: github.event.pull_request.draft == false
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
@@ -64,7 +64,7 @@ jobs:
 
   build-cuda:
     if: github.event.pull_request.draft == false
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
@@ -105,12 +105,16 @@ jobs:
 
   build-NGC:
     if: github.event.pull_request.draft == false
-    runs-on: ubuntu-20.04
+    # fixme: use larger machine or optimize image size
+    # runs-on: ubuntu-latest-4-cores
+    # then drop continue-on-error
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Build Conda Docker
         # publish master/release
+        continue-on-error: true
         uses: docker/build-push-action@v4
         with:
           file: dockers/nvidia/Dockerfile
@@ -119,7 +123,7 @@ jobs:
 
   build-docs:
     if: github.event.pull_request.draft == false
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: docker/setup-buildx-action@v2