diff --git a/pyproject.toml b/pyproject.toml
index 177575154e..877e40fe94 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,7 +59,7 @@ dependencies = [
     "frozendict>=2.4.6,<3",
     "fuzzywuzzy==0.18.0",  # fuzzywuzzy is for author name manipulations
     "google-api-python-client>=2.198.0,<3",
-    "google-auth>=2.55.2,<3",
+    "google-auth>=2.56.0,<3",
     "html-sanitizer>=2.1.0,<3",
     "httpx[http2]>=0.28.1,<0.29",
     "isbnlib>=3.10.14,<4",
diff --git a/uv.lock b/uv.lock
index 694c8982fc..3325c10638 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1010,15 +1010,15 @@ wheels = [
 
 [[package]]
 name = "google-auth"
-version = "2.55.2"
+version = "2.56.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "cryptography" },
     { name = "pyasn1-modules" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/79/b9/e370d86fea3da13ec0256df30323dd26c0cb9c8c85f0c6ec42ac9df0106b/google_auth-2.55.2.tar.gz", hash = "sha256:97ae7790ff740f2bc9db60eb864a7804f4ac19f5f02c38b3d942f2fea6e9b9ae", size = 361414, upload-time = "2026-07-07T18:43:21.227Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/58/66/b4ba60005743e01933e22b4f62313e063f7460458b7d8a358427b4930013/google_auth-2.56.0.tar.gz", hash = "sha256:f90fa030b569a92654b9d690665a073841df33d57487be53db583a9a0867a553", size = 364629, upload-time = "2026-07-13T19:09:57.143Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/1e/c6/02eb5a337ac316a4c30c012e747bad5cea36e1a876efecdf80865541f7d8/google_auth-2.55.2-py3-none-any.whl", hash = "sha256:d715f265f2cafc6a5f1bf0dc19870d20e3119f6f6682785a250bce3d03d38a3b", size = 256778, upload-time = "2026-07-07T18:43:19.52Z" },
+    { url = "https://files.pythonhosted.org/packages/a8/7d/cd3e187f14ce832e419e70709bfcc40cb0dc11517d5d03c9d3919bcc3101/google_auth-2.56.0-py3-none-any.whl", hash = "sha256:6e88c10217e07a92bfd01cac8ee99e32ccfb08414c3102e6c5b8d58f37a0d1e0", size = 257976, upload-time = "2026-07-13T19:09:42.685Z" },
 ]
 
 [[package]]
@@ -2158,7 +2158,7 @@ requires-dist = [
     { name = "frozendict", specifier = ">=2.4.6,<3" },
     { name = "fuzzywuzzy", specifier = "==0.18.0" },
     { name = "google-api-python-client", specifier = ">=2.198.0,<3" },
-    { name = "google-auth", specifier = ">=2.55.2,<3" },
+    { name = "google-auth", specifier = ">=2.56.0,<3" },
     { name = "html-sanitizer", specifier = ">=2.1.0,<3" },
     { name = "httpx", extras = ["http2"], specifier = ">=0.28.1,<0.29" },
     { name = "isbnlib", specifier = ">=3.10.14,<4" },