diff --git a/requirements.txt b/requirements.txt
index 1378b63a..21ce864c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -155,9 +155,9 @@ google-api-core[grpc]==2.26.0 \
     # via
     #   google-cloud-core
     #   google-cloud-spanner
-google-auth==2.41.1 \
-    --hash=sha256:754843be95575b9a19c604a848a41be03f7f2afd8c019f716dc1f51ee41c639d \
-    --hash=sha256:b76b7b1f9e61f0cb7e88870d14f6a94aeef248959ef6992670efee37709cbfd2
+google-auth==2.49.1 \
+    --hash=sha256:16d40da1c3c5a0533f57d268fe72e0ebb0ae1cc3b567024122651c045d879b64 \
+    --hash=sha256:195ebe3dca18eddd1b3db5edc5189b76c13e96f29e73043b923ebcf3f1a860f7
     # via
     #   google-api-core
     #   google-cloud-core