diff --git a/instrument-simulator/instrument-simulator-api/pom.xml b/instrument-simulator/instrument-simulator-api/pom.xml
old mode 100755
new mode 100644
index b4747556e..ec1084831
--- a/instrument-simulator/instrument-simulator-api/pom.xml
+++ b/instrument-simulator/instrument-simulator-api/pom.xml
@@ -36,7 +36,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.1</version>
+            <version>1.3.12</version>
             <scope>provided</scope>
         </dependency>
 
diff --git a/instrument-simulator/pom.xml b/instrument-simulator/pom.xml
index b9785c212..4fa80a234 100644
--- a/instrument-simulator/pom.xml
+++ b/instrument-simulator/pom.xml
@@ -306,7 +306,7 @@
             <dependency>
                 <groupId>ch.qos.logback</groupId>
                 <artifactId>logback-classic</artifactId>
-                <version>1.2.1</version>
+                <version>1.3.12</version>
             </dependency>
             <dependency>
                 <groupId>commons-collections</groupId>