diff --git a/aieng-agents/pyproject.toml b/aieng-agents/pyproject.toml
index 65dce2a..03411fb 100644
--- a/aieng-agents/pyproject.toml
+++ b/aieng-agents/pyproject.toml
@@ -10,7 +10,7 @@ dependencies = [
     "backoff>=2.2.1",
     "httpx>=0.28.1",
     "nest-asyncio>=1.6.0",
-    "openai>=2.52.0",
+    "openai>=3.1.0",
     "openai-agents>=0.20.0",
     "pydantic>=2.11.7",
     "pydantic-settings>=2.15.0",
diff --git a/uv.lock b/uv.lock
index a8585f3..fe3f143 100644
--- a/uv.lock
+++ b/uv.lock
@@ -190,7 +190,7 @@ requires-dist = [
     { name = "langfuse", marker = "extra == 'observability'", specifier = ">=4.14.3" },
     { name = "lxml", marker = "extra == 'news'", specifier = ">=6.1.0" },
     { name = "nest-asyncio", specifier = ">=1.6.0" },
-    { name = "openai", specifier = ">=2.52.0" },
+    { name = "openai", specifier = ">=3.1.0" },
     { name = "openai-agents", specifier = ">=0.20.0" },
     { name = "pandas", marker = "extra == 'data'", specifier = ">=3.0.5" },
     { name = "pydantic", specifier = ">=2.11.7" },
@@ -2973,26 +2973,26 @@ wheels = [
 
 [[package]]
 name = "openai"
-version = "2.53.0"
+version = "3.1.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
     { name = "distro" },
-    { name = "httpx" },
+    { name = "httpx2" },
     { name = "jiter" },
     { name = "pydantic" },
     { name = "sniffio" },
     { name = "tqdm" },
     { name = "typing-extensions" },
 ]
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 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/d3/45/84b9e909968c0f4c3112a828bba9aa8be6a5ee322fcb3d781145ee53d88e/openai-3.1.0-py3-none-any.whl", hash = "sha256:f06d5a5c8d06a0aead3a67d33fe5a3c3c31540a0f7a8017b02ba8cd99bc5c736", size = 1670762, upload-time = "2026-08-14T23:49:43.998Z" },
 ]
 
 [[package]]
 name = "openai-agents"
-version = "0.20.0"
+version = "0.21.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "griffelib" },
@@ -3003,9 +3003,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "websockets" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/57/18/1204bde976436ad85498b759d5297843ebd2e0a214f729eb2dc4423cdfc7/openai_agents-0.20.0.tar.gz", hash = "sha256:a6b37954877868ac233876a27dab1e2a461c53ecbd5fcf6e19e2d276d3e848cd", size = 6146452, upload-time = "2026-08-11T03:12:49.556Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/23/8a/c05a23ead7c349971505c4364e5dac139c26373c60609ce44d0fe450c2da/openai_agents-0.21.1.tar.gz", hash = "sha256:7d6519bed92542b2a7160cd50edca0721c64d5f06616d85c6de477f237b8423c", size = 6352641, upload-time = "2026-08-16T22:29:35.173Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/5f/af/a219a1f020ffa6bed3332c7bc4023ce5d0a1a922c843361b62f368286692/openai_agents-0.21.1-py3-none-any.whl", hash = "sha256:47cdc36c70aa1c0bd4337d040b605b1ea4ac598f178b59f4040208884785f0d0", size = 1107970, upload-time = "2026-08-16T22:29:33.011Z" },
 ]
 
 [[package]]