diff --git a/.github/workflows/test-package.yml b/.github/workflows/test-package.yml
index cf170eb78..d0c718703 100644
--- a/.github/workflows/test-package.yml
+++ b/.github/workflows/test-package.yml
@@ -1,5 +1,5 @@
 # This configuration file is part of the Hissp source code repository,
-# copyright 2019, 2021, 2022 Matthew Egan Odendahl
+# copyright 2019, 2021, 2022, 2024 Matthew Egan Odendahl
 # SPDX-License-Identifier: Apache-2.0
 name: Test package
 
@@ -15,10 +15,10 @@ jobs:
       uses: actions/checkout@v2
     - name: Lint with black
       uses: psf/black@stable
-    - name: Set up Python 3.8
+    - name: Set up Python 3.10.15
       uses: actions/setup-python@v1
       with:
-        python-version: 3.8
+        python-version: 3.10.15
     - name: Cache pip
       uses: actions/cache@v1
       with:
@@ -55,7 +55,11 @@ jobs:
         pip install -r requirements-dev.txt
     - name: Test install with pytest (including doctests)
       env:
-        PYTHONWARNINGS: error
+        # Upgrades warnings to errors, so they get noticed.
+        # Currently turns off some in libraries due to Python 3.10 upgrade.
+        # These are not due to issues in Hissp itself, which has no dependencies.
+        # TODO: try upgrading libraries affected by deprecations.
+        PYTHONWARNINGS: error,default:SelectableGroups:DeprecationWarning:hypothesis.entry_points,default:A private pytest:DeprecationWarning:sybil.integration.pytest
       run: |
         python -c "import tests"  # Compiles hissp.basic on package import.
         pytest -p no:cacheprovider -v --cov=hissp --cov-report=xml --doctest-modules --doctest-glob *.md src/hissp/*.lissp tests/ docs/ $(python -c "import hissp; print(hissp.__path__[0])")
diff --git a/docs/macro_tutorial.rst b/docs/macro_tutorial.rst
index 6fedbacbb..cf2c71272 100644
--- a/docs/macro_tutorial.rst
+++ b/docs/macro_tutorial.rst
@@ -349,8 +349,8 @@ That worked, but can we use it?
    Traceback (most recent call last):
      ...
      squares = map(L x: x * x, range(10))
-                    ^
-   SyntaxError: invalid syntax
+                   ^^^
+   SyntaxError: invalid syntax. Perhaps you forgot a comma?
 
 Another syntax error.
 No surprise.
diff --git a/requirements-dev.txt b/requirements-dev.txt
index f9366df0a..09fcb00d8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,9 +1,9 @@
 # This configuration file is part of Hissp's test suite,
-# Copyright 2019, 2021, 2022 Matthew Egan Odendahl
+# Copyright 2019, 2021, 2022, 2024 Matthew Egan Odendahl
 # SPDX-License-Identifier: Apache-2.0
 hypothesis==5.43.3
 coverage==5.3
-pytest==6.1.2
+pytest==6.2.5
 pytest-cov==2.10.1
 sybil==2.0.1
-sphinx==4.2.0
+sphinx==6.2.1
diff --git a/setup.py b/setup.py
index 8a289f79b..42e04c5d7 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@
         "Operating System :: POSIX",
         "Operating System :: Unix",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.10",
         "Programming Language :: Lisp",
         "Topic :: Software Development",
         "Topic :: Software Development :: Code Generators",
diff --git a/src/hissp/macros.lissp b/src/hissp/macros.lissp
index d62272768..031aea003 100644
--- a/src/hissp/macros.lissp
+++ b/src/hissp/macros.lissp
@@ -1680,7 +1680,7 @@ Hidden doctest adds bundled macros for REPL-consistent behavior.
   ;;    ...       'Hi'),
   ;;    ...     _Qzwg5wn73w__target)  [-1]
   ;;    ... )()
-  ;;    namespace(a=1, attach=<function _macro_.attach at 0x...>, b='Hi')
+  ;;    namespace(attach=<function _macro_.attach at 0x...>, a=1, b='Hi')
   ;;
   ;; See also: `setattr`, `set@ <setQzAT_>`, `vars`.
   ;;
@@ -2424,7 +2424,7 @@ Hidden doctest adds bundled macros for REPL-consistent behavior.
   ;;
   ;;    #> Q#2/3
   ;;    >>> # Fraction(2, 3)
-  ;;    ... __import__('pickle').loads(b'cfractions\nFraction\n(I2\nI3\ntR.')
+  ;;    ... __import__('pickle').loads(b'cfractions\nFraction\n(V2/3\ntR.')
   ;;    Fraction(2, 3)
   ;;
   (fractions..Fraction (hissp..demunge Q)))