diff --git a/pom.xml b/pom.xml
index 49b9ecb..8e8319b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
   	<dependency>
   		<groupId>org.postgresql</groupId>
   		<artifactId>postgresql</artifactId>
-  		<version>9.4-1201-jdbc41</version>
+  		<version>42.3.7</version>
   	</dependency>
 	<dependency>
     <groupId>org.apache.httpcomponents</groupId>
@@ -36,7 +36,7 @@
   <dependency>
     <groupId>xerces</groupId>
     <artifactId>xercesImpl</artifactId>
-    <version>2.12.0</version>
+    <version>2.12.2</version>
 </dependency>
   
  <dependency>
@@ -62,7 +62,7 @@
 <dependency>
     <groupId>commons-io</groupId>
     <artifactId>commons-io</artifactId>
-    <version>2.4</version>
+    <version>2.7</version>
 </dependency>
   </dependencies>
   <name>PLN monitor daemon</name>