diff --git a/DataMasker.Runner/packages.config b/DataMasker.Runner/packages.config
index 9aecfc3..58ab3b0 100644
--- a/DataMasker.Runner/packages.config
+++ b/DataMasker.Runner/packages.config
@@ -6,7 +6,7 @@
   <package id="GeoAPI.CoordinateSystems" version="1.7.5" targetFramework="net461" />
   <package id="GeoAPI.Core" version="1.7.5" targetFramework="net461" />
   <package id="Goblinfactory.Konsole" version="3.3.0" targetFramework="net461" />
-  <package id="Google.Protobuf" version="3.6.1" targetFramework="net461" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net461" />
   <package id="MimeKit" version="2.3.1" targetFramework="net461" />
   <package id="MsgKit" version="2.3.0" targetFramework="net461" />
   <package id="MySql.Data" version="8.0.18" targetFramework="net461" />