diff --git a/requirements.txt b/requirements.txt
index 79fe090d..53070273 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -383,16 +383,16 @@ proto-plus==1.26.1 \
     # via
     #   google-api-core
     #   google-cloud-spanner
-protobuf==6.32.0 \
-    --hash=sha256:15eba1b86f193a407607112ceb9ea0ba9569aed24f93333fe9a497cf2fda37d3 \
-    --hash=sha256:501fe6372fd1c8ea2a30b4d9be8f87955a64d6be9c88a973996cef5ef6f0abf1 \
-    --hash=sha256:75a2aab2bd1aeb1f5dc7c5f33bcb11d82ea8c055c9becbb41c26a8c43fd7092c \
-    --hash=sha256:7db8ed09024f115ac877a1427557b838705359f047b2ff2f2b2364892d19dacb \
-    --hash=sha256:84f9e3c1ff6fb0308dbacb0950d8aa90694b0d0ee68e75719cb044b7078fe741 \
-    --hash=sha256:a81439049127067fc49ec1d36e25c6ee1d1a2b7be930675f919258d03c04e7d2 \
-    --hash=sha256:a8bdbb2f009cfc22a36d031f22a625a38b615b5e19e558a7b756b3279723e68e \
-    --hash=sha256:ba377e5b67b908c8f3072a57b63e2c6a4cbd18aea4ed98d2584350dbf46f2783 \
-    --hash=sha256:d52691e5bee6c860fff9a1c86ad26a13afbeb4b168cd4445c922b7e2cf85aaf0
+protobuf==6.32.1 \
+    --hash=sha256:2601b779fc7d32a866c6b4404f9d42a3f67c5b9f3f15b4db3cccabe06b95c346 \
+    --hash=sha256:2f5b80a49e1eb7b86d85fcd23fe92df154b9730a725c3b38c4e43b9d77018bf4 \
+    --hash=sha256:68ff170bac18c8178f130d1ccb94700cf72852298e016a2443bdb9502279e5f1 \
+    --hash=sha256:a8a32a84bc9f2aad712041b8b366190f71dde248926da517bde9e832e4412085 \
+    --hash=sha256:b00a7d8c25fa471f16bc8153d0e53d6c9e827f0953f3c09aaa4331c718cae5e1 \
+    --hash=sha256:b1864818300c297265c83a4982fd3169f97122c299f56a56e2445c3698d34710 \
+    --hash=sha256:d0975d0b2f3e6957111aa3935d08a0eb7e006b1505d825f862a1fffc8348e122 \
+    --hash=sha256:d8c7e6eb619ffdf105ee4ab76af5a68b60a9d0f66da3ea12d1640e6d8dab7281 \
+    --hash=sha256:ee2469e4a021474ab9baafea6cd070e5bf27c7d29433504ddea1a4ee5850f68d
     # via
     #   google-api-core
     #   google-cloud-spanner