diff --git a/claude-agent-sdk/requirements.txt b/claude-agent-sdk/requirements.txt
index d1c5061..b4b45ad 100644
--- a/claude-agent-sdk/requirements.txt
+++ b/claude-agent-sdk/requirements.txt
@@ -7,4 +7,4 @@ python-dotenv==1.2.2
 
 pytest==9.1.1
 pytest-asyncio==1.4.0
-ruff==0.15.19
+ruff==0.15.20
diff --git a/openai-agents-sdk/requirements.txt b/openai-agents-sdk/requirements.txt
index d920d64..72d518b 100644
--- a/openai-agents-sdk/requirements.txt
+++ b/openai-agents-sdk/requirements.txt
@@ -5,4 +5,4 @@ openai-agents==0.17.7
 python-dotenv==1.2.2
 
 pytest==9.1.1
-ruff==0.15.19
+ruff==0.15.20
diff --git a/pydantic-ai/requirements.txt b/pydantic-ai/requirements.txt
index 082da42..9b2974f 100644
--- a/pydantic-ai/requirements.txt
+++ b/pydantic-ai/requirements.txt
@@ -5,4 +5,4 @@ pydantic-ai[openai,anthropic]==1.107.0
 python-dotenv==1.2.2
 
 pytest==9.1.1
-ruff==0.15.19
+ruff==0.15.20