diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index 53faf34fa..7f81a3a4d 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -13,38 +13,35 @@ jobs:
   pr-builder:
     needs:
       - checks
-      - conda-python-build
       - conda-python-tests
-      - wheel-build
-      - wheel-tests
     secrets: inherit
-    uses: rapidsai/shared-action-workflows/.github/workflows/pr-builder.yaml@branch-23.12
+    uses: rapidsai/shared-action-workflows/.github/workflows/pr-builder.yaml@increase-ulimit-nofile
   checks:
     secrets: inherit
-    uses: rapidsai/shared-action-workflows/.github/workflows/checks.yaml@branch-23.12
+    uses: rapidsai/shared-action-workflows/.github/workflows/checks.yaml@increase-ulimit-nofile
   conda-python-build:
     needs: checks
     secrets: inherit
-    uses: rapidsai/shared-action-workflows/.github/workflows/conda-python-build.yaml@branch-23.12
+    uses: rapidsai/shared-action-workflows/.github/workflows/conda-python-build.yaml@increase-ulimit-nofile
     with:
       build_type: pull-request
   conda-python-tests:
     needs: conda-python-build
     secrets: inherit
-    uses: rapidsai/shared-action-workflows/.github/workflows/conda-python-tests.yaml@branch-23.12
+    uses: rapidsai/shared-action-workflows/.github/workflows/conda-python-tests.yaml@increase-ulimit-nofile
     with:
       build_type: pull-request
   wheel-build:
     needs: checks
     secrets: inherit
-    uses: rapidsai/shared-action-workflows/.github/workflows/wheels-build.yaml@branch-23.12
+    uses: rapidsai/shared-action-workflows/.github/workflows/wheels-build.yaml@increase-ulimit-nofile
     with:
       build_type: pull-request
       script: ci/build_wheel.sh
   wheel-tests:
     needs: wheel-build
     secrets: inherit
-    uses: rapidsai/shared-action-workflows/.github/workflows/wheels-test.yaml@branch-23.12
+    uses: rapidsai/shared-action-workflows/.github/workflows/wheels-test.yaml@increase-ulimit-nofile
     with:
       build_type: pull-request
       script: ci/test_wheel.sh
diff --git a/ci/test_python.sh b/ci/test_python.sh
index 8d8afda98..df9761e66 100755
--- a/ci/test_python.sh
+++ b/ci/test_python.sh
@@ -22,6 +22,9 @@ rapids-logger "Check NICs"
 awk 'END{print $1}' /etc/hosts
 cat /etc/hosts
 
+ulimit -a
+exit 0
+
 run_tests() {
   rapids-logger "UCX Version and Build Configuration"
   ucx_info -v