diff --git a/build.gradle b/build.gradle
index 40faa9b..3f8e3be 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,7 +19,7 @@ ext {
   // required for pekko
   scalaVersion = '3'
   scalaBinaryVersion = '3.7.4'
-  pekkoVersion = "1.2.1"
+  pekkoVersion = "1.3.0"
 }
 
 group = 'com.github.ie3-institute'