diff --git a/CHANGELOG.md b/CHANGELOG.md
index b394833b..fd84654a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.0.18
+
+- Add `ClaudeCodeOptions.settings` for `--settings`
+
+## 0.0.17
+
+- Remove dependency on asyncio for Trio compatibility
+
 ## 0.0.16
 
 - Introduce ClaudeSDKClient for bidirectional streaming conversation
diff --git a/src/claude_code_sdk/_internal/transport/subprocess_cli.py b/src/claude_code_sdk/_internal/transport/subprocess_cli.py
index 56a2de9a..d89a5f0b 100644
--- a/src/claude_code_sdk/_internal/transport/subprocess_cli.py
+++ b/src/claude_code_sdk/_internal/transport/subprocess_cli.py
@@ -118,6 +118,9 @@ def _build_command(self) -> list[str]:
         if self._options.resume:
             cmd.extend(["--resume", self._options.resume])
 
+        if self._options.settings:
+            cmd.extend(["--settings", self._options.settings])
+
         if self._options.mcp_servers:
             cmd.extend(
                 ["--mcp-config", json.dumps({"mcpServers": self._options.mcp_servers})]
diff --git a/src/claude_code_sdk/types.py b/src/claude_code_sdk/types.py
index bd3c7267..d04204ff 100644
--- a/src/claude_code_sdk/types.py
+++ b/src/claude_code_sdk/types.py
@@ -127,3 +127,4 @@ class ClaudeCodeOptions:
     model: str | None = None
     permission_prompt_tool_name: str | None = None
     cwd: str | Path | None = None
+    settings: str | None = None