diff --git a/scripts/coverage.sh b/scripts/coverage.sh
index fb03294..0665a69 100755
--- a/scripts/coverage.sh
+++ b/scripts/coverage.sh
@@ -26,8 +26,8 @@ rm -f .coverage
 echo "== unit ==" >&2
 "$PY" -m coverage run -m unittest discover -t . -s tests/unit
 
-echo "== integration (skips without Docker) ==" >&2
-BOT_BOTTLE_BACKEND=firecracker \
+echo "== integration (firecracker; skips docker tests) ==" >&2
+BOT_BOTTLE_BACKEND=firecracker SKIP_DOCKER_TESTS=1 \
     "$PY" -m coverage run --append -m unittest discover -t . -s tests/integration
 
 echo "== combined report ==" >&2
diff --git a/tests/_docker.py b/tests/_docker.py
index 25b8968..4de74fb 100644
--- a/tests/_docker.py
+++ b/tests/_docker.py
@@ -2,12 +2,15 @@
 
 from __future__ import annotations
 
+import os
 import shutil
 import subprocess
 import unittest
 
 
 def docker_available() -> bool:
+    if os.environ.get("SKIP_DOCKER_TESTS"):
+        return False
     if shutil.which("docker") is None:
         return False
     try: