diff --git a/pyproject.toml b/pyproject.toml
index 5a4e5f1..b531a87 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ requires-python = ">=3.10"
 dependencies = [
     "fastapi==0.136.1",
     "uvicorn[standard]==0.47.0",
-    "openai==2.37.0",     # Used for the async vLLM client
+    "openai==2.43.0",     # Used for the async vLLM client
     "pymupdf==1.27.2.3",    # Replaces pdf2image/poppler
     "pillow==12.2.0",
     "python-multipart==0.0.29",
diff --git a/uv.lock b/uv.lock
index 39d3533..ddd415e 100644
--- a/uv.lock
+++ b/uv.lock
@@ -408,7 +408,7 @@ dependencies = [
 requires-dist = [
     { name = "fastapi", specifier = "==0.136.1" },
     { name = "jinja2", specifier = "==3.1.6" },
-    { name = "openai", specifier = "==2.37.0" },
+    { name = "openai", specifier = "==2.43.0" },
     { name = "pillow", specifier = "==12.2.0" },
     { name = "pymupdf", specifier = "==1.27.2.3" },
     { name = "python-dotenv", specifier = "==1.2.2" },
@@ -504,7 +504,7 @@ wheels = [
 
 [[package]]
 name = "openai"
-version = "2.37.0"
+version = "2.43.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
@@ -516,9 +516,9 @@ dependencies = [
     { name = "tqdm" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/32/50/5901f01ef14e6c27788beb91e54fef5d6204fb5fb9e97402fc8a14de2e32/openai-2.37.0.tar.gz", hash = "sha256:f4bc562cc5f3a43d40d678105572d9d44765f6e0f50c125f63055419b72f4bd9", size = 754706, upload-time = "2026-05-15T22:30:35.428Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/f3/fa/88d0c58a0c58df7e6758e66b99c5d028d5e0bb49f8812d7203940cd9dbf1/openai-2.43.0.tar.gz", hash = "sha256:e74d238200a26868977002190fb6631613480a93dfe0c9c982e77021ed60a017", size = 785369, upload-time = "2026-06-17T17:06:56.06Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/ed/4c/bce61680d0699a78a405fd9a67989b175ba020590428831aab2ab1d2be7c/openai-2.37.0-py3-none-any.whl", hash = "sha256:814633888b8f3b1ffd6615697c6e4ef93632d08b7c2e28c8c5ef3556e5a10107", size = 1303238, upload-time = "2026-05-15T22:30:32.767Z" },
+    { url = "https://files.pythonhosted.org/packages/a3/d2/ba767f4bbb30776c03d40906a2d3afad716a165ffa1771fc23b8992f7920/openai-2.43.0-py3-none-any.whl", hash = "sha256:65a670b54fadf2268c9e1330133373c963eb779ee969e5cbad419ec2c21dce97", size = 1355077, upload-time = "2026-06-17T17:06:53.614Z" },
 ]
 
 [[package]]