diff --git a/Coin/pom.xml b/Coin/pom.xml
index a24fb79..c37a791 100644
--- a/Coin/pom.xml
+++ b/Coin/pom.xml
@@ -246,7 +246,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>42.1.1</version>
+            <version>42.4.1</version>
         </dependency>
         <dependency>
             <groupId>org.spockframework</groupId>