diff --git a/pyproject.toml b/pyproject.toml
index f645d1a77..645ba100b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ classifiers = [
 ]
 dependencies = [
     "anyio>=4.8.0, <5.0.0",
-    "google-auth[requests]>=2.48.1, <3.0.0",
+    "google-auth[requests]>=2.53.0, <3.0.0",
     "httpx>=0.28.1, <1.0.0",
     "pydantic>=2.9.0, <3.0.0",
     "requests>=2.28.1, <3.0.0",
diff --git a/requirements.txt b/requirements.txt
index 322d9fe27..8d0fe430d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ charset-normalizer==3.4.0
 coverage==7.6.9
 distro==1.9.0
 httpx==0.28.1
-google-auth==2.47.0
+google-auth==2.53.0
 idna==3.10
 iniconfig==2.0.0
 packaging==24.2