diff --git a/build.gradle b/build.gradle
index 6fb78bb..71ea85f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -36,7 +36,7 @@ dependencies {
         exclude group: 'nz.net.ultraq.thymeleaf', module: 'thymeleaf-layout-dialect'
     }
 
-    compile 'org.postgresql:postgresql:42.3.1'
+    compile 'org.postgresql:postgresql:42.3.3'
     compile 'com.zaxxer:HikariCP:5.0.1'
     compile 'org.webjars:webjars-locator'
     compile 'org.webjars:jquery:2.2.4'