diff --git a/.github/workflows/cicd.yml b/.github/workflows/cicd.yml
index c2b72c3..b22a78f 100644
--- a/.github/workflows/cicd.yml
+++ b/.github/workflows/cicd.yml
@@ -8,6 +8,8 @@ on:
     tags:
     - '*'
   pull_request:
+env:
+  LATEST_PY_VERSION: '3.12'
 
 jobs:
   tests:
@@ -35,10 +37,10 @@ jobs:
         run: tox -e py
 
       - name: Upload Results
-        if: success()
-        uses: codecov/codecov-action@v1
+        if: ${{ matrix.python-version == env.LATEST_PY_VERSION }}
+        uses: codecov/codecov-action@v4
         with:
           file: ./coverage.xml
           flags: unittests
-          name: ${{ matrix.platform }}-${{ matrix.tox-env }}
+          name: ${{ matrix.python-version }}
           fail_ci_if_error: false
diff --git a/tests/api/test_search.py b/tests/api/test_search.py
index 15fd19c..95899ab 100644
--- a/tests/api/test_search.py
+++ b/tests/api/test_search.py
@@ -77,6 +77,14 @@ def test_temporal_search_two_tailed():
     assert search.start_date == utcnow
     assert search.end_date is None
 
+    search = Search(collections=["collection1"], datetime=f"../{utcnow_str}")
+    assert search.start_date is None
+    assert search.end_date == utcnow
+
+    search = Search(collections=["collection1"], datetime=f"/{utcnow_str}")
+    assert search.start_date is None
+    assert search.end_date == utcnow
+
 
 def test_temporal_search_open():
     # Test open date range