diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 70ba37c..2293924 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -35,7 +35,7 @@ jobs:
         run: python -m pip install -r requirements-dev.txt
 
       - name: Cache pip
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('requirements-dev.txt') }}
diff --git a/onnx_array_api/reference/evaluator_yield.py b/onnx_array_api/reference/evaluator_yield.py
index 6ae005c..b53c27d 100644
--- a/onnx_array_api/reference/evaluator_yield.py
+++ b/onnx_array_api/reference/evaluator_yield.py
@@ -446,7 +446,7 @@ def to_str(
                 ):
                     disc = discrepancies(d1.value, d2.value)
                     a, r = disc["aerr"], disc["rerr"]
-                    line += f" | a={a:.3f} r={r:.3f}"
+                    line += f" | a={a:.5g} r={r:.5g}"
             elif i == last[0]:
                 d2 = s2[j]
                 line = (