diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 19ff7f01..4f11ee06 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -161,7 +161,10 @@ jobs:
       - lint
       - check_local_actions
       - test_minimum_versions
-      - test_prereleases
+      # disabled until we can use pypiserver 2.3.x
+      # which supports Python 3.13, see
+      # https://github.com/pypiserver/pypiserver/issues/630
+      # - test_prereleases
       - generate_changelog
     runs-on: ubuntu-latest
     steps:
diff --git a/pyproject.toml b/pyproject.toml
index bf1ded3e..cee4925a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ dependencies = [
     "mdformat",
     "packaging",
     "pkginfo",
-    "pypiserver",
+    "pypiserver==2.2.0",
     "pipx",
     "requests",
     "requests_cache",