diff --git a/.github/workflows/conda-cpp-tests.yaml b/.github/workflows/conda-cpp-tests.yaml
index 79fdc157..94178d91 100644
--- a/.github/workflows/conda-cpp-tests.yaml
+++ b/.github/workflows/conda-cpp-tests.yaml
@@ -68,6 +68,7 @@ jobs:
           export MATRICES="
             pull-request:
               # amd64
+              - { ARCH: 'amd64', PY_VER: '3.10', CUDA_VER: '11.4.3', LINUX_VER: 'rockylinux8', GPU: 'l4',   DRIVER: 'earliest', DEPENDENCIES: 'oldest' }
               - { ARCH: 'amd64', PY_VER: '3.10', CUDA_VER: '11.8.0', LINUX_VER: 'rockylinux8', GPU: 'l4',   DRIVER: 'earliest', DEPENDENCIES: 'oldest' }
               - { ARCH: 'amd64', PY_VER: '3.12', CUDA_VER: '12.8.0', LINUX_VER: 'ubuntu24.04', GPU: 'h100', DRIVER: 'latest',   DEPENDENCIES: 'latest' }
               # arm64
diff --git a/.github/workflows/conda-python-tests.yaml b/.github/workflows/conda-python-tests.yaml
index 648bb671..7bb0fb03 100644
--- a/.github/workflows/conda-python-tests.yaml
+++ b/.github/workflows/conda-python-tests.yaml
@@ -71,6 +71,7 @@ jobs:
           export MATRICES="
             pull-request:
               # amd64
+              - { ARCH: 'amd64', PY_VER: '3.10', CUDA_VER: '11.4.3', LINUX_VER: 'rockylinux8', GPU: 'l4',   DRIVER: 'earliest', DEPENDENCIES: 'oldest' }
               - { ARCH: 'amd64', PY_VER: '3.10', CUDA_VER: '11.8.0', LINUX_VER: 'rockylinux8', GPU: 'l4',   DRIVER: 'earliest', DEPENDENCIES: 'oldest' }
               - { ARCH: 'amd64', PY_VER: '3.12', CUDA_VER: '12.8.0', LINUX_VER: 'ubuntu24.04', GPU: 'h100', DRIVER: 'latest',   DEPENDENCIES: 'latest' }
               # arm64