diff --git a/pyproject.toml b/pyproject.toml
index 91bd3b1..1160b76 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ dependencies = [
     # PyJWT verifies the Hub-issued product tokens (identity/product_token.py)
     # with RS256/ES256, which need `cryptography`; declare the extra rather
     # than inherit the package from google-auth.
-    "pyjwt[crypto]>=2.9",
+    "pyjwt[crypto]>=2.15.0",
     "openpyxl>=3.1.5",
     "mammoth>=1.11",
     "pyarrow>=18",
diff --git a/uv.lock b/uv.lock
index 7024f83..4aa0eb7 100644
--- a/uv.lock
+++ b/uv.lock
@@ -65,7 +65,7 @@ requires-dist = [
     { name = "pyarrow", specifier = ">=18" },
     { name = "pydantic-settings", specifier = ">=2.5" },
     { name = "pygments", specifier = ">=2.18" },
-    { name = "pyjwt", extras = ["crypto"], specifier = ">=2.9" },
+    { name = "pyjwt", extras = ["crypto"], specifier = ">=2.15.0" },
     { name = "python-multipart", specifier = ">=0.0.12" },
     { name = "python-pptx", specifier = ">=1.0" },
     { name = "pyyaml", specifier = ">=6.0" },
@@ -550,11 +550,11 @@ resolution-markers = [
     "python_full_version >= '3.14'",
 ]
 dependencies = [
-    { name = "google-auth", marker = "python_full_version >= '3.14'" },
-    { name = "googleapis-common-protos", marker = "python_full_version >= '3.14'" },
-    { name = "proto-plus", marker = "python_full_version >= '3.14'" },
-    { name = "protobuf", marker = "python_full_version >= '3.14'" },
-    { name = "requests", marker = "python_full_version >= '3.14'" },
+    { name = "google-auth" },
+    { name = "googleapis-common-protos" },
+    { name = "proto-plus" },
+    { name = "protobuf" },
+    { name = "requests" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/09/cd/63f1557235c2440fe0577acdbc32577c5c002684c58c7f4d770a92366a24/google_api_core-2.25.2.tar.gz", hash = "sha256:1c63aa6af0d0d5e37966f157a77f9396d820fba59f9e43e9415bc3dc5baff300", size = 166266, upload-time = "2025-10-03T00:07:34.778Z" }
 wheels = [
@@ -570,11 +570,11 @@ resolution-markers = [
     "python_full_version < '3.13'",
 ]
 dependencies = [
-    { name = "google-auth", marker = "python_full_version < '3.14'" },
-    { name = "googleapis-common-protos", marker = "python_full_version < '3.14'" },
-    { name = "proto-plus", marker = "python_full_version < '3.14'" },
-    { name = "protobuf", marker = "python_full_version < '3.14'" },
-    { name = "requests", marker = "python_full_version < '3.14'" },
+    { name = "google-auth" },
+    { name = "googleapis-common-protos" },
+    { name = "proto-plus" },
+    { name = "protobuf" },
+    { name = "requests" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/16/ce/502a57fb0ec752026d24df1280b162294b22a0afb98a326084f9a979138b/google_api_core-2.30.3.tar.gz", hash = "sha256:e601a37f148585319b26db36e219df68c5d07b6382cff2d580e83404e44d641b", size = 177001, upload-time = "2026-04-10T00:41:28.035Z" }
 wheels = [
@@ -616,12 +616,12 @@ resolution-markers = [
     "python_full_version >= '3.14'",
 ]
 dependencies = [
-    { name = "google-api-core", version = "2.25.2", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.14'" },
-    { name = "google-auth", marker = "python_full_version >= '3.14'" },
-    { name = "google-cloud-core", marker = "python_full_version >= '3.14'" },
-    { name = "google-crc32c", marker = "python_full_version >= '3.14'" },
-    { name = "google-resumable-media", marker = "python_full_version >= '3.14'" },
-    { name = "requests", marker = "python_full_version >= '3.14'" },
+    { name = "google-api-core", version = "2.25.2", source = { registry = "https://pypi.org/simple" } },
+    { name = "google-auth" },
+    { name = "google-cloud-core" },
+    { name = "google-crc32c" },
+    { name = "google-resumable-media" },
+    { name = "requests" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/bd/ef/7cefdca67a6c8b3af0ec38612f9e78e5a9f6179dd91352772ae1a9849246/google_cloud_storage-3.4.1.tar.gz", hash = "sha256:6f041a297e23a4b485fad8c305a7a6e6831855c208bcbe74d00332a909f82268", size = 17238203, upload-time = "2025-10-08T18:43:39.665Z" }
 wheels = [
@@ -637,12 +637,12 @@ resolution-markers = [
     "python_full_version < '3.13'",
 ]
 dependencies = [
-    { name = "google-api-core", version = "2.30.3", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.14'" },
-    { name = "google-auth", marker = "python_full_version < '3.14'" },
-    { name = "google-cloud-core", marker = "python_full_version < '3.14'" },
-    { name = "google-crc32c", marker = "python_full_version < '3.14'" },
-    { name = "google-resumable-media", marker = "python_full_version < '3.14'" },
-    { name = "requests", marker = "python_full_version < '3.14'" },
+    { name = "google-api-core", version = "2.30.3", source = { registry = "https://pypi.org/simple" } },
+    { name = "google-auth" },
+    { name = "google-cloud-core" },
+    { name = "google-crc32c" },
+    { name = "google-resumable-media" },
+    { name = "requests" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/4c/47/205eb8e9a1739b5345843e5a425775cbdc472cc38e7eda082ba5b8d02450/google_cloud_storage-3.10.1.tar.gz", hash = "sha256:97db9aa4460727982040edd2bd13ff3d5e2260b5331ad22895802da1fc2a5286", size = 17309950, upload-time = "2026-03-23T09:35:23.409Z" }
 wheels = [
@@ -1583,11 +1583,11 @@ wheels = [
 
 [[package]]
 name = "pyjwt"
-version = "2.12.1"
+version = "2.15.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/c2/27/a3b6e5bf6ff856d2509292e95c8f57f0df7017cf5394921fc4e4ef40308a/pyjwt-2.12.1.tar.gz", hash = "sha256:c74a7a2adf861c04d002db713dd85f84beb242228e671280bf709d765b03672b", size = 102564, upload-time = "2026-03-13T19:27:37.25Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/02/a5/5197bfd06417837ac079921c66fa6393f1dea3557272a263cebfef69e432/pyjwt-2.15.0.tar.gz", hash = "sha256:b11c5f9791d7bf51c2b39a81ed669f6b2dbbd669df2942f6c60167e9e3d1abe4", size = 120513, upload-time = "2026-09-23T16:56:00.689Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/e5/7a/8dd906bd22e79e47397a61742927f6747fe93242ef86645ee9092e610244/pyjwt-2.12.1-py3-none-any.whl", hash = "sha256:28ca37c070cad8ba8cd9790cd940535d40274d22f80ab87f3ac6a713e6e8454c", size = 29726, upload-time = "2026-03-13T19:27:35.677Z" },
+    { url = "https://files.pythonhosted.org/packages/e8/55/40e45bf052ee8ee12a4dfd785519660f8effa7b065442b91646ec6828619/pyjwt-2.15.0-py3-none-any.whl", hash = "sha256:7a3742debf6b879e912dbb9819ceec1594be812452b78c5f2e2dfc56564954f8", size = 33680, upload-time = "2026-09-23T16:55:59.241Z" },
 ]
 
 [package.optional-dependencies]