diff --git a/python/meson.build b/python/meson.build
index e45208e..8618f44 100644
--- a/python/meson.build
+++ b/python/meson.build
@@ -5,7 +5,7 @@ project(
 	).stdout().strip('\n'),
 # 	'online.fxreader.uv',
 # 	['c', 'cpp'],
-	version: '0.1.5.39',
+	version: '0.1.5.40',
 # 	default_options: [
 # 		'cpp_std=c++23',
 # 		# 'prefer_static=true',
diff --git a/python/online/fxreader/pr34/commands_typed/cli_bootstrap.py b/python/online/fxreader/pr34/commands_typed/cli_bootstrap.py
index 7a95032..c1b4374 100644
--- a/python/online/fxreader/pr34/commands_typed/cli_bootstrap.py
+++ b/python/online/fxreader/pr34/commands_typed/cli_bootstrap.py
@@ -315,6 +315,7 @@ def pyproject_load(
 @dataclasses.dataclass
 class BootstrapSettings:
 	env_path: pathlib.Path
+	whl_cache_path: pathlib.Path
 	python_path: pathlib.Path
 	base_dir: pathlib.Path
 	python_version: Optional[str] = dataclasses.field(
@@ -351,11 +352,14 @@ class BootstrapSettings:
 		else:
 			env_path = base_dir / '.venv'
 
+		whl_cache_path = env_path.parent / '.venv-whl-cache'
+
 		python_path = env_path / 'bin' / 'python3'
 
 		return cls(
 			base_dir=base_dir,
 			env_path=env_path,
+			whl_cache_path=whl_cache_path,
 			python_path=python_path,
 		)
 
@@ -505,13 +509,33 @@ def env_bootstrap(
 				]
 			)
 
+	if not bootstrap_settings.env_path.exists():
+		subprocess.check_call(
+			[
+				'pip',
+				'download',
+				'--only-binary=:all:',
+				*uv_python_version,
+				*pip_find_links_args,
+				'-r',
+				str(requirements_path),
+				'-d',
+				str(bootstrap_settings.whl_cache_path),
+			]
+		)
+
+	cache_find_links_args = (
+		'-f',
+		str(bootstrap_settings.whl_cache_path),
+	)
+
 	subprocess.check_call(
 		[
 			'uv',
 			*[o for o in bootstrap_settings.uv_args if not o in ['-U', '--upgrade']],
 			'venv',
 			*venv_python_version,
-			*pip_find_links_args,
+			*cache_find_links_args,
 			# '--seed',
 			str(bootstrap_settings.env_path),
 		]
@@ -523,7 +547,8 @@ def env_bootstrap(
 			'pip',
 			'install',
 			*uv_python_version,
-			*pip_find_links_args,
+			*cache_find_links_args,
+			# *pip_find_links_args,
 			'-p',
 			bootstrap_settings.python_path,
 			'--require-hashes',
diff --git a/releases/whl/online_fxreader_pr34-0.1.5.40-py3-none-any.whl b/releases/whl/online_fxreader_pr34-0.1.5.40-py3-none-any.whl
new file mode 100644
index 0000000..7aeca1e
--- /dev/null
+++ b/releases/whl/online_fxreader_pr34-0.1.5.40-py3-none-any.whl
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a43f4743a00411371d52197d82d7573e9eb34b8a54a343398f9af1b267d8a215
+size 76224