diff --git a/a2a/image_service/pyproject.toml b/a2a/image_service/pyproject.toml
index dc6ac408..960840e0 100644
--- a/a2a/image_service/pyproject.toml
+++ b/a2a/image_service/pyproject.toml
@@ -11,7 +11,7 @@ dependencies = [
     "langchain-core>=1.3.3",
     "langchain-community>=0.4.1",
     "langchain-ollama>=1.1.0",
-    "langchain-openai>=0.3.7",
+    "langchain-openai>=1.2.1",
     "openinference-instrumentation-langchain>=0.1.36",
     "pydantic-settings>=2.14.1",
     "langchain-mcp-adapters>=0.2.2",
diff --git a/a2a/image_service/uv.lock b/a2a/image_service/uv.lock
index d2a7b500..8ec70651 100644
--- a/a2a/image_service/uv.lock
+++ b/a2a/image_service/uv.lock
@@ -809,7 +809,7 @@ requires-dist = [
     { name = "langchain-core", specifier = ">=1.3.3" },
     { name = "langchain-mcp-adapters", specifier = ">=0.2.2" },
     { name = "langchain-ollama", specifier = ">=1.1.0" },
-    { name = "langchain-openai", specifier = ">=0.3.7" },
+    { name = "langchain-openai", specifier = ">=1.2.1" },
     { name = "langgraph", specifier = ">=0.2.55" },
     { name = "langsmith", specifier = ">=0.8.0" },
     { name = "mcp", specifier = ">=1.23.0" },
@@ -1073,16 +1073,16 @@ wheels = [
 
 [[package]]
 name = "langchain-openai"
-version = "1.0.3"
+version = "1.2.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langchain-core" },
     { name = "openai" },
     { name = "tiktoken" },
 ]
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 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/dc/55/2865b18ee3a3dd11160b8c4b2cf37e75bf2a4a8d1d38868ffffc7b7cc180/langchain_openai-1.2.1-py3-none-any.whl", hash = "sha256:a80732185030d4f453dda6c25feef46f645f665423fdffe38ae3edf1ac3c6c4d", size = 98626, upload-time = "2026-04-24T19:46:41.971Z" },
 ]
 
 [[package]]
@@ -1444,7 +1444,7 @@ wheels = [
 
 [[package]]
 name = "openai"
-version = "2.8.1"
+version = "2.36.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
@@ -1456,9 +1456,9 @@ dependencies = [
     { name = "tqdm" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/d5/e4/42591e356f1d53c568418dc7e30dcda7be31dd5a4d570bca22acb0525862/openai-2.8.1.tar.gz", hash = "sha256:cb1b79eef6e809f6da326a7ef6038719e35aa944c42d081807bfa1be8060f15f", size = 602490, upload-time = "2025-11-17T22:39:59.549Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/f4/a1/4d5e84cf51720fc1526cc49e10ac1961abcccb55b0efb3d970db1e9a2728/openai-2.36.0.tar.gz", hash = "sha256:139dea0edd2f1b30c33d46ae1a6929e03906254140318e4608e98fe8c566f2e7", size = 753003, upload-time = "2026-05-07T17:33:17.075Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/9d/1c/5d43735b2553baae2a5e899dcbcd0670a86930d993184d72ca909bf11c9b/openai-2.36.0-py3-none-any.whl", hash = "sha256:143f6194b548dbc2c921af1f1b03b9f14c85fed8a75b5b516f5bcc11a2a50c63", size = 1302361, upload-time = "2026-05-07T17:33:15.063Z" },
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 [[package]]