diff --git a/requirements/main.txt b/requirements/main.txt
index adc191de5e2d..50af48885899 100644
--- a/requirements/main.txt
+++ b/requirements/main.txt
@@ -1582,17 +1582,17 @@ proto-plus==1.27.0 \
     --hash=sha256:1baa7f81cf0f8acb8bc1f6d085008ba4171eaf669629d1b6d1673b21ed1c0a82 \
     --hash=sha256:873af56dd0d7e91836aee871e5799e1c6f1bda86ac9a983e0bb9f0c266a568c4
     # via google-api-core
-protobuf==6.33.2 \
-    --hash=sha256:1f8017c48c07ec5859106533b682260ba3d7c5567b1ca1f24297ce03384d1b4f \
-    --hash=sha256:2981c58f582f44b6b13173e12bb8656711189c2a70250845f264b877f00b1913 \
-    --hash=sha256:56dc370c91fbb8ac85bc13582c9e373569668a290aa2e66a590c2a0d35ddb9e4 \
-    --hash=sha256:7109dcc38a680d033ffb8bf896727423528db9163be1b6a02d6a49606dcadbfe \
-    --hash=sha256:7636aad9bb01768870266de5dc009de2d1b936771b38a793f73cbbf279c91c5c \
-    --hash=sha256:87eb388bd2d0f78febd8f4c8779c79247b26a5befad525008e49a6955787ff3d \
-    --hash=sha256:8cd7640aee0b7828b6d03ae518b5b4806fdfc1afe8de82f79c3454f8aef29872 \
-    --hash=sha256:b5d3b5625192214066d99b2b605f5783483575656784de223f00a8d00754fc0e \
-    --hash=sha256:d9b19771ca75935b3a4422957bc518b0cecb978b31d1dd12037b088f6bcc0e43 \
-    --hash=sha256:fc2a0e8b05b180e5fc0dd1559fe8ebdae21a27e81ac77728fb6c42b12c7419b4
+protobuf==6.33.3 \
+    --hash=sha256:08a6ca12f60ba99097dd3625ef4275280f99c9037990e47ce9368826b159b890 \
+    --hash=sha256:1fd18f030ae9df97712fbbb0849b6e54c63e3edd9b88d8c3bb4771f84d8db7a4 \
+    --hash=sha256:2756963dcfd414eba46bcbb341f0e2c652036e5d700f112b3bb90fa1a031893a \
+    --hash=sha256:642fce7187526c98683c79a3ad68e5d646a5ef5eb004582fe123fc9a33a9456b \
+    --hash=sha256:648b7b0144222eb06cf529a3d7b01333c5f30b4196773b682d388f04db373759 \
+    --hash=sha256:6fa9b5f4baa12257542273e5e6f3c3d3867b30bc2770c14ad9ac8315264bf986 \
+    --hash=sha256:b4046f9f2ede57ad5b1d9917baafcbcad42f8151a73c755a1e2ec9557b0a764f \
+    --hash=sha256:c2bf221076b0d463551efa2e1319f08d4cffcc5f0d864614ccd3d0e77a637794 \
+    --hash=sha256:c46dcc47b243b299f4f7eabeed21929c07f0d36fffe2ea8431793b53c308ab80 \
+    --hash=sha256:c8794debeb402963fddff41a595e1f649bcd76616ba56c835645cab4539e810e
     # via
     #   google-api-core
     #   googleapis-common-protos