diff --git a/ci/nur/eval.py b/ci/nur/eval.py
index e33808a85..2689872d3 100644
--- a/ci/nur/eval.py
+++ b/ci/nur/eval.py
@@ -80,5 +80,5 @@ async def eval_command(args: Namespace) -> None:
         None,
         None,
     )
-    eval_repo(repo, repo_path)
+    await eval_repo(repo, repo_path)
     print("OK")
diff --git a/ci/nur/prefetch.py b/ci/nur/prefetch.py
index 822b2308e..7d00b0aee 100644
--- a/ci/nur/prefetch.py
+++ b/ci/nur/prefetch.py
@@ -5,7 +5,7 @@ import subprocess
 import asyncio
 import aiohttp
 from pathlib import Path
-from typing import Optional, Tuple
+from typing import Optional, Tuple, List
 from urllib.parse import urlparse, ParseResult
 
 from .error import NurError, RepositoryDeletedError
@@ -30,7 +30,7 @@ async def nix_prefetch_zip(url: str) -> Tuple[str, Path]:
     return sha256, Path(path)
 
 
-def parse_pkt_lines(data: bytes):
+def parse_pkt_lines(data: bytes) -> List[bytes]:
     i = 0
     lines = []
     while i < len(data):
diff --git a/ci/nur/update.py b/ci/nur/update.py
index 40e91a482..0b4d51f3c 100644
--- a/ci/nur/update.py
+++ b/ci/nur/update.py
@@ -1,5 +1,6 @@
 import logging
 import asyncio
+from typing import List
 from argparse import Namespace
 from concurrent.futures import ThreadPoolExecutor, as_completed
 
@@ -20,7 +21,7 @@ async def update(repo: Repo) -> Repo:
         return repo
 
     sha256, repo_path = await prefetcher.prefetch(latest_commit)
-    eval_repo(repo, repo_path)
+    await eval_repo(repo, repo_path)
     repo.locked_version = LockedVersion(repo.url, latest_commit, sha256, repo.submodules)
     return repo
 
diff --git a/ci/test.sh b/ci/test.sh
index d419b0730..f01ff6597 100755
--- a/ci/test.sh
+++ b/ci/test.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -p bash -i bash -p mypy -p black -p ruff -p nix
+#!nix-shell -p bash -i bash -p mypy -p black -p ruff -p nix -p python3Packages.aiohttp
 
 set -eux -o pipefail # Exit with nonzero exit code if anything fails