diff --git a/.github/workflows/pip-check.yml b/.github/workflows/pip-check.yml
index 45e4d72a50..583ef2fdd9 100644
--- a/.github/workflows/pip-check.yml
+++ b/.github/workflows/pip-check.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ${{ matrix.runner }}
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
         # macos-13 is the last Intel-family runner; macos-latest is ARM
         runner: [macos-13, macos-latest, ubuntu-22.04, ubuntu-latest]
     steps:
diff --git a/requirements.txt b/requirements.txt
index 10b66d0014..a41bb6a6ac 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,6 +41,7 @@ importlib-metadata==6.7.0
 iniconfig==2.0.0
 itsdangerous==2.2.0
 Jinja2==3.1.4
+legacy-cgi==2.6.1; python_version >= "3.13"
 lxml==5.3.0
 Markdown==3.7
 markdown-it-py==3.0.0
@@ -63,6 +64,7 @@ PyYAML==6.0.2
 pyzmq==26.2.0
 requests==2.32.3
 rich==13.9.2
+setuptools==75.3.0
 six==1.16.0
 text-unidecode==1.3
 tomli==2.0.1