diff --git a/src/backend/pyproject.toml b/src/backend/pyproject.toml
index 61e34175..4127e362 100644
--- a/src/backend/pyproject.toml
+++ b/src/backend/pyproject.toml
@@ -39,6 +39,6 @@ dependencies = [
     "protobuf==5.29.6",
     "cryptography==46.0.5",
     "aiohttp==3.13.3",
-    "pyasn1==0.6.2",
+    "pyasn1==0.6.3",
     "nltk==3.9.3",
 ]
\ No newline at end of file
diff --git a/src/backend/uv.lock b/src/backend/uv.lock
index e68f3e09..3409b136 100644
--- a/src/backend/uv.lock
+++ b/src/backend/uv.lock
@@ -516,7 +516,7 @@ requires-dist = [
     { name = "opentelemetry-sdk", specifier = "==1.39.0" },
     { name = "pexpect", specifier = "==4.9.0" },
     { name = "protobuf", specifier = "==5.29.6" },
-    { name = "pyasn1", specifier = "==0.6.2" },
+    { name = "pyasn1", specifier = "==0.6.3" },
     { name = "pylint-pydantic", specifier = "==0.3.5" },
     { name = "pytest", specifier = "==8.4.1" },
     { name = "pytest-asyncio", specifier = "==0.24.0" },
@@ -2233,11 +2233,11 @@ wheels = [
 
 [[package]]
 name = "pyasn1"
-version = "0.6.2"
+version = "0.6.3"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/fe/b6/6e630dff89739fcd427e3f72b3d905ce0acb85a45d4ec3e2678718a3487f/pyasn1-0.6.2.tar.gz", hash = "sha256:9b59a2b25ba7e4f8197db7686c09fb33e658b98339fadb826e9512629017833b", size = 146586, upload-time = "2026-01-16T18:04:18.534Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/5c/5f/6583902b6f79b399c9c40674ac384fd9cd77805f9e6205075f828ef11fb2/pyasn1-0.6.3.tar.gz", hash = "sha256:697a8ecd6d98891189184ca1fa05d1bb00e2f84b5977c481452050549c8a72cf", size = 148685, upload-time = "2026-03-17T01:06:53.382Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/44/b5/a96872e5184f354da9c84ae119971a0a4c221fe9b27a4d94bd43f2596727/pyasn1-0.6.2-py3-none-any.whl", hash = "sha256:1eb26d860996a18e9b6ed05e7aae0e9fc21619fcee6af91cca9bad4fbea224bf", size = 83371, upload-time = "2026-01-16T18:04:17.174Z" },
+    { url = "https://files.pythonhosted.org/packages/5d/a0/7d793dce3fa811fe047d6ae2431c672364b462850c6235ae306c0efd025f/pyasn1-0.6.3-py3-none-any.whl", hash = "sha256:a80184d120f0864a52a073acc6fc642847d0be408e7c7252f31390c0f4eadcde", size = 83997, upload-time = "2026-03-17T01:06:52.036Z" },
 ]
 
 [[package]]