diff --git a/requirements.txt b/requirements.txt
index 1378b63a..604defeb 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==2.49.0 \
+    --hash=sha256:9cc2d9259d3700d7a257681f81052db6737495a1a46b610597f4b8bafe5286ae \
+    --hash=sha256:f893ef7307f19cf53700b7e2f61b5a6affe3aa0edf9943b13788920ab92d8d87
     # via
     #   google-api-core
     #   google-cloud-core