diff --git a/.github/workflows/_checks.yml b/.github/workflows/_checks.yml
index 195f668..ad603ee 100644
--- a/.github/workflows/_checks.yml
+++ b/.github/workflows/_checks.yml
@@ -68,10 +68,10 @@ jobs:
           cache-dependency-glob: "**/pyproject.toml"
       - run: uv python install ${{ matrix.python-version }}
       - run: uv python pin ${{ matrix.python-version }}
-      # --no-build so a floor with no wheel for this interpreter fails here instead of
-      # quietly compiling its sdist; --no-install-project because that flag would refuse to
-      # build this project too, and the tests import it from the checkout.
-      - run: uv sync --all-extras --no-install-project --resolution lowest-direct --no-build
+      - run: uv venv
+      # Pinned with builds allowed, so a floor with no wheel fails the wheel-only install below.
+      - run: uv pip compile pyproject.toml --all-extras --no-deps --resolution lowest-direct -o floors.txt
+      - run: uv pip install -r pyproject.toml --all-extras --group dev --constraints floors.txt --no-build
       - run: uv run --no-sync pytest
 
   links:
diff --git a/pyproject.toml b/pyproject.toml
index 704749b..b5d7a48 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,11 @@ classifiers = [
     "Topic :: Software Development :: Libraries",
 ]
 dependencies = [
-    "aiogram>=3.2,<4",
+    "aiogram>=3.2,<4; python_version < '3.13'",
+    # The first releases whose pins admit the wheel floors below: 3.11 for aiohttp 3.10.5, 3.23 for
+    # pydantic 2.12.
+    "aiogram>=3.11,<4; python_version == '3.13'",
+    "aiogram>=3.23,<4; python_version >= '3.14'",
     # Not imported here: aiogram 3.2 pins both to versions with no wheel for these interpreters -
     # pydantic-core gets a cp314 wheel at pydantic 2.12, aiohttp a cp313 one at 3.10.5 and a
     # cp314 one at 3.13.
@@ -38,7 +42,6 @@ Issues = "https://github.com/modern-python/modern-di-aiogram/issues"
 Changelog = "https://github.com/modern-python/modern-di-aiogram/releases"
 
 [dependency-groups]
-# Floored so `uv sync --resolution lowest-direct` resolves a usable harness, not each name's first release.
 dev = [
     "pytest>=8",
     "pytest-cov>=5",