diff --git a/CHANGELOG.md b/CHANGELOG.md
index 600355a..358109b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,13 @@
 Format: [Keep a Changelog](https://keepachangelog.com/). Versioning: SemVer; while `0.x`, a
 minor release may change the public API.
 
+## [0.1.1]
+
+### Changed
+- Allow `based-models-agentloop` 0.5 (`>=0.4.0,<0.6.0`, was `<0.5.0`). The test suite, ruff and
+  mypy pass unchanged against both 0.4.0 and 0.5.0; this package uses none of the API that
+  0.5.0 changed.
+
 ## [0.1.0]
 
 ### Added
diff --git a/pyproject.toml b/pyproject.toml
index 1e557b3..42915b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "based-models-agentloop-tools"
-version = "0.1.0"
+version = "0.1.1"
 description = "Tools for agentloop agents: native web search now; client search and coding tools next."
 readme = "README.md"
 requires-python = ">=3.12"
@@ -20,7 +20,7 @@ dependencies = [
     # (tests/test_layering.py), so it depends on it like any other consumer would.
     # The importable package is `agentloop`; the distribution is
     # `based-models-agentloop` (the bare name on PyPI is an unrelated project).
-    "based-models-agentloop>=0.4.0,<0.5.0",
+    "based-models-agentloop>=0.4.0,<0.6.0",
 ]
 
 [project.optional-dependencies]
diff --git a/src/agentloop_tools/__init__.py b/src/agentloop_tools/__init__.py
index f2a51bd..a364ce1 100644
--- a/src/agentloop_tools/__init__.py
+++ b/src/agentloop_tools/__init__.py
@@ -3,4 +3,4 @@
     from agentloop_tools.web import native_web_search
 """
 
-__version__ = "0.1.0"
+__version__ = "0.1.1"