diff --git a/andhow-testing/andhow-simulated-app-tests/andhow-multimodule-dataprocess/pom.xml b/andhow-testing/andhow-simulated-app-tests/andhow-multimodule-dataprocess/pom.xml
index 336b376d..6c686cdf 100644
--- a/andhow-testing/andhow-simulated-app-tests/andhow-multimodule-dataprocess/pom.xml
+++ b/andhow-testing/andhow-simulated-app-tests/andhow-multimodule-dataprocess/pom.xml
@@ -35,7 +35,7 @@
 				<!-- Optional dependency of simple-jndi -->
 				<groupId>ch.qos.logback</groupId>
 				<artifactId>logback-classic</artifactId>
-				<version>1.2.10</version>
+				<version>1.2.13</version>
 				<scope>test</scope>
 			</dependency>
 			<dependency>
diff --git a/pom.xml b/pom.xml
index de2cdacc..4d8c08d6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -161,7 +161,7 @@
 				<!-- Optional dependency of simple-jndi -->
 				<groupId>ch.qos.logback</groupId>
 				<artifactId>logback-classic</artifactId>
-				<version>1.2.10</version>
+				<version>1.2.13</version>
 				<scope>test</scope>
 			</dependency>
 			<dependency>