diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bc8366f..eb1e159 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,23 +4,22 @@ on: [push]
 
 jobs:
   test:
-
     runs-on: ubuntu-latest
     strategy:
       max-parallel: 4
       matrix:
-        python-version: [3.6]
+        python-version: ["3", "3.10"]
 
     steps:
-    - uses: actions/checkout@v1
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install requests
-    - name: Run coverage test
-      run: |
-        python tests/test_function_coverage.py
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: "pip" # caching pip dependencies
+      - name: Install dependencies
+        run: |
+          pip install -r tests/requirements.txt
+      - name: Run coverage test
+        run: |
+          python tests/test_function_coverage.py
diff --git a/tests/test_function_coverage.py b/tests/test_function_coverage.py
index 17f5651..0c889c5 100644
--- a/tests/test_function_coverage.py
+++ b/tests/test_function_coverage.py
@@ -22,28 +22,43 @@
     "https://raw.githubusercontent.com/stan-dev/docs/master/src/functions-reference/"
     + filename
     for filename in [
+        "additional_distributions.Rmd",
+        "appendix.Rmd",
         "array_operations.Rmd",
         "binary_distributions.Rmd",
         "bounded_continuous_distributions.Rmd",
         "bounded_discrete_distributions.Rmd",
+        "built-in_functions.Rmd",
         "circular_distributions.Rmd",
-        "continuous_distributions_on_[0_1].Rmd",
+        "complex-valued_basic_functions.Rmd",
+        "complex_matrix_operations.Rmd",
+        "compound_arithmetic_and_assignment.Rmd",
+        "continuous_distributions.Rmd",
+        "continuous_distributions_on_0_1.Rmd",
+        "conventions_for_probability_functions.Rmd",
         "correlation_matrix_distributions.Rmd",
         "covariance_matrix_distributions.Rmd",
+        "deprecated_functions.Rmd",
+        "discrete_distributions.Rmd",
         "distributions_over_unbounded_vectors.Rmd",
+        "hidden_markov_models.Rmd",
         "higher-order_functions.Rmd",
+        "index.Rmd",
         "integer-valued_basic_functions.Rmd",
+        "mathematical_functions.Rmd",
         "matrix_operations.Rmd",
         "mixed_operations.Rmd",
         "multivariate_discrete_distributions.Rmd",
         "positive_continuous_distributions.Rmd",
         "positive_lower-bounded_distributions.Rmd",
         "real-valued_basic_functions.Rmd",
+        "references.Rmd",
+        "removed_functions.Rmd",
         "simplex_distributions.Rmd",
         "sparse_matrix_operations.Rmd",
         "unbounded_continuous_distributions.Rmd",
         "unbounded_discrete_distributions.Rmd",
-        "void_functions.Rmd",
+        "void_functions.Rmd"
     ]
 ]