diff --git a/backend/core/pom.xml b/backend/core/pom.xml
index 2c81f5e90..cbfc9ee1f 100644
--- a/backend/core/pom.xml
+++ b/backend/core/pom.xml
@@ -33,11 +33,6 @@
             <artifactId>commons-csv</artifactId>
             <version>1.10.0</version>
         </dependency>
-        <dependency>
-            <groupId>commons-validator</groupId>
-            <artifactId>commons-validator</artifactId>
-            <version>1.9.0</version>
-        </dependency>
         <dependency>
             <groupId>gr.cite</groupId>
             <artifactId>validation</artifactId>
diff --git a/backend/pom.xml b/backend/pom.xml
index 8869918f4..993e4de66 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -187,7 +187,7 @@
         <dependency>
             <groupId>gr.cite</groupId>
             <artifactId>logging</artifactId>
-            <version>2.2.0</version>
+            <version>2.2.1</version>
         </dependency>
         <dependency>
             <groupId>gr.cite</groupId>
@@ -198,7 +198,7 @@
         <dependency>
             <groupId>gr.cite</groupId>
             <artifactId>rabbitmq-core</artifactId>
-            <version>2.1.2</version>
+            <version>2.1.3</version>
         </dependency>
 
     </dependencies>