diff --git a/builders/testdata/java/ktordemo/pom.xml b/builders/testdata/java/ktordemo/pom.xml
index 9deb533..b5c9404 100644
--- a/builders/testdata/java/ktordemo/pom.xml
+++ b/builders/testdata/java/ktordemo/pom.xml
@@ -13,7 +13,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <kotlin.compiler.jvmTarget>11</kotlin.compiler.jvmTarget>
         <main.class>io.ktor.server.netty.EngineMain</main.class>
-        <logback_version>1.2.3</logback_version>
+        <logback_version>1.5.14</logback_version>
     </properties>
 
     <repositories>