diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 32c266d5757..039104e1f3e 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -20,7 +20,7 @@
     <HyperionVersion>0.12.2</HyperionVersion>
     <NewtonsoftJsonVersion>[13.0.1,)</NewtonsoftJsonVersion>
     <NBenchVersion>2.0.1</NBenchVersion>
-    <ProtobufVersion>3.24.1</ProtobufVersion>
+    <ProtobufVersion>3.24.3</ProtobufVersion>
     <BenchmarkDotNetVersion>0.13.8</BenchmarkDotNetVersion>
     <NetTestVersion>net7.0</NetTestVersion>
     <FsharpVersion>6.0.5</FsharpVersion>