diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index e34d4a0..4ce7689 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -89,15 +89,15 @@ jobs:
 
     - name: End-to-End Testing [Install one CentOS 7 kernel]
       run: |
-        ./out-of-tree --log-level=debug kernel install --distro=CentOS --ver=7 --kernel=3.10.0-862.6.3
+        ./out-of-tree --log-level=debug kernel install --distro=CentOS --ver=7 --kernel=3.10.0-862.6.3 --no-download
 
     - name: End-to-End Testing [Install one CentOS 7 kernel w/o headers]
       run: |
-        ./out-of-tree --log-level=debug kernel install --distro=CentOS --ver=7 --kernel=3.10.0-1160.71.1 --no-headers
+        ./out-of-tree --log-level=debug kernel install --distro=CentOS --ver=7 --kernel=3.10.0-1160.71.1 --no-download --no-headers
 
     - name: End-to-End Testing [Install one CentOS 8 kernel]
       run: |
-        ./out-of-tree --log-level=debug kernel install --distro=CentOS --ver=8 --kernel=4.18.0-348.7.1
+        ./out-of-tree --log-level=debug kernel install --distro=CentOS --ver=8 --kernel=4.18.0-348.7.1 --no-download
 
     - name: End-to-End Testing [Install one Oracle Linux 7 kernel]
       run: |