diff --git a/tests/setup.py b/tests/setup.py
index 237f89f3e8b13..7eddf525d0008 100644
--- a/tests/setup.py
+++ b/tests/setup.py
@@ -16,7 +16,7 @@
         'ducktape@git+https://github.com/redpanda-data/ducktape.git@7cbc42a2b8c0dac1fae1db7cc06a2372b35db3b6',
         'prometheus-client==0.9.0', 'pyyaml==5.3.1', 'kafka-python==2.0.2',
         'crc32c==2.2', 'confluent-kafka==1.7.0', 'zstandard==0.15.2',
-        'xxhash==2.0.2', 'protobuf==3.19.3', 'fastavro==1.4.9',
+        'xxhash==2.0.2', 'protobuf==3.19.5', 'fastavro==1.4.9',
         'psutil==5.9.0', 'numpy==1.22.3', 'pygal==3.0', 'pytest==7.1.2',
         'jump-consistent-hash==3.2.0', 'azure-storage-blob==12.14.1',
         'kafkatest@git+https://github.com/apache/kafka.git@058589b03db686803b33052d574ce887fb5cfbd1#egg=kafkatest&subdirectory=tests'