diff --git a/examples/grpc-bridge/client/requirements.txt b/examples/grpc-bridge/client/requirements.txt
index c02d5bbaff7e..b6a325bb69be 100644
--- a/examples/grpc-bridge/client/requirements.txt
+++ b/examples/grpc-bridge/client/requirements.txt
@@ -130,31 +130,9 @@ idna==3.2 \
     --hash=sha256:14475042e284991034cb48e06f6851428fb14c4dc953acd9be9a5e95c7b6dd7a \
     --hash=sha256:467fbad99067910785144ce333826c71fb0e63a425657295239737f7ecd125f3
     # via requests
-protobuf==3.20.0 \
-    --hash=sha256:001c2160c03b6349c04de39cf1a58e342750da3632f6978a1634a3dcca1ec10e \
-    --hash=sha256:0b250c60256c8824219352dc2a228a6b49987e5bf94d3ffcf4c46585efcbd499 \
-    --hash=sha256:1d24c81c2310f0063b8fc1c20c8ed01f3331be9374b4b5c2de846f69e11e21fb \
-    --hash=sha256:1eb13f5a5a59ca4973bcfa2fc8fff644bd39f2109c3f7a60bd5860cb6a49b679 \
-    --hash=sha256:25d2fcd6eef340082718ec9ad2c58d734429f2b1f7335d989523852f2bba220b \
-    --hash=sha256:32bf4a90c207a0b4e70ca6dd09d43de3cb9898f7d5b69c2e9e3b966a7f342820 \
-    --hash=sha256:38fd9eb74b852e4ee14b16e9670cd401d147ee3f3ec0d4f7652e0c921d6227f8 \
-    --hash=sha256:47257d932de14a7b6c4ae1b7dbf592388153ee35ec7cae216b87ae6490ed39a3 \
-    --hash=sha256:4eda68bd9e2a4879385e6b1ea528c976f59cd9728382005cc54c28bcce8db983 \
-    --hash=sha256:52bae32a147c375522ce09bd6af4d2949aca32a0415bc62df1456b3ad17c6001 \
-    --hash=sha256:542f25a4adf3691a306dcc00bf9a73176554938ec9b98f20f929a044f80acf1b \
-    --hash=sha256:5b5860b790498f233cdc8d635a17fc08de62e59d4dcd8cdb6c6c0d38a31edf2b \
-    --hash=sha256:6efe066a7135233f97ce51a1aa007d4fb0be28ef093b4f88dac4ad1b3a2b7b6f \
-    --hash=sha256:71b2c3d1cd26ed1ec7c8196834143258b2ad7f444efff26fdc366c6f5e752702 \
-    --hash=sha256:7a53d4035427b9dbfbb397f46642754d294f131e93c661d056366f2a31438263 \
-    --hash=sha256:7dcd84dc31ebb35ade755e06d1561d1bd3b85e85dbdbf6278011fc97b22810db \
-    --hash=sha256:88c8be0558bdfc35e68c42ae5bf785eb9390d25915d4863bbc7583d23da77074 \
-    --hash=sha256:8be43a91ab66fe995e85ccdbdd1046d9f0443d59e060c0840319290de25b7d33 \
-    --hash=sha256:8d84453422312f8275455d1cb52d850d6a4d7d714b784e41b573c6f5bfc2a029 \
-    --hash=sha256:9d0f3aca8ca51c8b5e204ab92bd8afdb2a8e3df46bd0ce0bd39065d79aabcaa4 \
-    --hash=sha256:a1eebb6eb0653e594cb86cd8e536b9b083373fca9aba761ade6cd412d46fb2ab \
-    --hash=sha256:bc14037281db66aa60856cd4ce4541a942040686d290e3f3224dd3978f88f554 \
-    --hash=sha256:fbcbb068ebe67c4ff6483d2e2aa87079c325f8470b24b098d6bf7d4d21d57a69 \
-    --hash=sha256:fd7133b885e356fa4920ead8289bb45dc6f185a164e99e10279f33732ed5ce15
+protobuf==3.20.2 \
+    --hash=sha256:712dca319eee507a1e7df3591e639a2b112a2f4a62d40fe7832a16fd19151750 \
+    --hash=sha256:c9cdf251c582c16fd6a9f5e95836c90828d51b0069ad22f463761d27c6c19019
     # via
     #   -r requirements.in
     #   grpcio-tools