diff --git a/knowledge-base/pom.xml b/knowledge-base/pom.xml
index 6c8cca6..7b68e2d 100644
--- a/knowledge-base/pom.xml
+++ b/knowledge-base/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>42.3.3</version>
+            <version>42.3.8</version>
         </dependency>
         <dependency>
             <groupId>com.h2database</groupId>