diff --git a/olca-core/pom.xml b/olca-core/pom.xml
index d3c267ef3..49efcd667 100644
--- a/olca-core/pom.xml
+++ b/olca-core/pom.xml
@@ -11,7 +11,7 @@
 	<packaging>jar</packaging>
 
 	<properties>
-		<protobuf.version>3.21.7</protobuf.version>
+		<protobuf.version>3.25.5</protobuf.version>
 	</properties>
 
 	<dependencies>