diff --git a/echo/server/pyproject.toml b/echo/server/pyproject.toml
index 912d752b..35e1432b 100644
--- a/echo/server/pyproject.toml
+++ b/echo/server/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
     "langchain==0.1.*",
     "langchain-community==0.0.*",
     "langchain-experimental==0.0.*",
-    "pypdf==4.0.*",
+    "pypdf==6.7.*",
     # SDKs for Models
     # Data
     "pandas==2.2.*",
diff --git a/echo/server/uv.lock b/echo/server/uv.lock
index 706d49f9..a44ddc29 100644
--- a/echo/server/uv.lock
+++ b/echo/server/uv.lock
@@ -538,7 +538,7 @@ requires-dist = [
     { name = "pydantic-settings", specifier = "==2.6.1" },
     { name = "pydub", specifier = "==0.25.1" },
     { name = "pylance", specifier = ">=0.30.0" },
-    { name = "pypdf", specifier = "==4.0.*" },
+    { name = "pypdf", specifier = "==6.7.*" },
     { name = "pytest" },
     { name = "pytest", specifier = "==8.3.4" },
     { name = "pytest-asyncio" },
@@ -1875,11 +1875,11 @@ wheels = [
 
 [[package]]
 name = "pypdf"
-version = "4.0.2"
+version = "6.7.4"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/5f/de/5ee74158c3090ec99eae9f90c9e9c18f207fa5c722b0e95d6fa7faebcdf8/pypdf-4.0.2.tar.gz", hash = "sha256:3316d9ddfcff5df67ae3cdfe8b945c432aa43e7f970bae7c2a4ab4fe129cd937", size = 280173, upload-time = "2024-02-18T15:45:10.729Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/09/dc/f52deef12797ad58b88e4663f097a343f53b9361338aef6573f135ac302f/pypdf-6.7.4.tar.gz", hash = "sha256:9edd1cd47938bb35ec87795f61225fd58a07cfaf0c5699018ae1a47d6f8ab0e3", size = 5304821, upload-time = "2026-02-27T10:44:39.395Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/d7/87/30f8a2963247fd7b1267e600379c5e3f51c9849a07d042398e4485b7415c/pypdf-4.0.2-py3-none-any.whl", hash = "sha256:a62daa2a24d5a608ba1b6284dde185317ce3644f89b9ebe5314d0c5d1c9f257d", size = 283953, upload-time = "2024-02-18T15:45:07.857Z" },
+    { url = "https://files.pythonhosted.org/packages/c1/be/cded021305f5c81b47265b8c5292b99388615a4391c21ff00fd538d34a56/pypdf-6.7.4-py3-none-any.whl", hash = "sha256:527d6da23274a6c70a9cb59d1986d93946ba8e36a6bc17f3f7cce86331492dda", size = 331496, upload-time = "2026-02-27T10:44:37.527Z" },
 ]
 
 [[package]]