diff --git a/.github/workflows/acceptable_memory_usage_test.yml b/.github/workflows/acceptable_memory_usage_test.yml
index f33f84e..e7cf1d5 100644
--- a/.github/workflows/acceptable_memory_usage_test.yml
+++ b/.github/workflows/acceptable_memory_usage_test.yml
@@ -15,9 +15,28 @@ env:
   FORCE_COLOR: "1"
 
 jobs:
+  # This logic is based on the discussion here (and the links within):
+  # https://github.com/orgs/community/discussions/27128
+  #
+  check_for_new_commits:
+    name: Check for commits in the last 24 hours
+    runs-on: ubuntu-latest
+    outputs:
+      num_new_commits: ${{ steps.count_new_commits.outputs.num_new_commits }}
+    steps:
+      - uses: actions/checkout@v6
+
+      - id: count_new_commits
+        run: echo "num_new_commits=$(git log --oneline --since '24 hours ago' | wc -l)" >> "$GITHUB_OUTPUT"
+
+
   run:
     name: Python ${{ matrix.python-version }} Performance Tests
     runs-on: ${{ matrix.os }}
+
+    needs: check_for_new_commits
+    if: ${{ github.event_name == 'workflow_dispatch' || needs.check_for_new_commits.outputs.num_new_commits > 0 }}
+
     strategy:
       fail-fast: false
       matrix:
@@ -25,10 +44,10 @@ jobs:
         python-version: ["3.11", "3.12", "3.13"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
 
diff --git a/.github/workflows/build_and_publish_gem.yml b/.github/workflows/build_and_publish_gem.yml
index b788e58..a4aad0c 100644
--- a/.github/workflows/build_and_publish_gem.yml
+++ b/.github/workflows/build_and_publish_gem.yml
@@ -20,7 +20,7 @@ jobs:
           sudo apt install -y ruby
 
       - name: Checkout code from repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Build the Ruby package
         run: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4cb7a56..2ef8b29 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -25,10 +25,10 @@ jobs:
         python-version: ["3.11", "3.12", "3.13"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -48,7 +48,7 @@ jobs:
         run: uv run pytest --junitxml=pytest.xml
 
       - name: Upload coverage reports to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
 
@@ -60,6 +60,7 @@ jobs:
 
       - name: Upload test results to Codecov
         if: ${{ !cancelled() }}
-        uses: codecov/test-results-action@v1
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
+          report_type: test_results
diff --git a/tests/acceptable_memory_usage_test.py b/tests/acceptable_memory_usage_test.py
index 0f4a693..33d0725 100644
--- a/tests/acceptable_memory_usage_test.py
+++ b/tests/acceptable_memory_usage_test.py
@@ -16,10 +16,15 @@ def test_acceptable_memory_usage():
     allele_1: HLAStandard = hla_alg.hla_standards["B"]["B*07:02:01G"]
     allele_2: HLAStandard = hla_alg.hla_standards["B"]["B*45:01:01G"]
 
+    # "Mush" together the two sequences by doing a bitwise or of the binary
+    # sequences.
+    exon2_bin: np.ndarray = np.array(allele_1.two) | np.array(allele_2.two)
+    exon3_bin: np.ndarray = np.array(allele_1.three) | np.array(allele_2.three)
+
     expensive_sequence = HLASequence(
-        two=(int(s) for s in np.array(allele_1.two) | np.array(allele_2.two)),
+        two=tuple(int(s) for s in exon2_bin),
         intron=(),
-        three=(int(s) for s in np.array(allele_1.three) | np.array(allele_2.three)),
+        three=tuple(int(s) for s in exon3_bin),
         name="expensive_sequence",
         locus="B",
     )