diff --git a/external-dependencies.gradle b/external-dependencies.gradle
index f3f0fdfc5..4cd98b1ef 100644
--- a/external-dependencies.gradle
+++ b/external-dependencies.gradle
@@ -27,7 +27,7 @@ ext {
 
     stringTemplate = 'org.antlr:stringtemplate:3.2.1'
 
-    postgresClient = 'org.postgresql:postgresql:42.1.4'
+    postgresClient = 'org.postgresql:postgresql:42.2.19'
 
     apacheCommonsCodec = 'commons-codec:commons-codec:1.12'
     apacheCommonsCollections = 'org.apache.commons:commons-collections4:4.3'