diff --git a/build.gradle b/build.gradle
index bc62d0a0..082d6991 100644
--- a/build.gradle
+++ b/build.gradle
@@ -74,7 +74,7 @@ dependencies {
     implementation group: 'org.glassfish.tyrus', name: 'tyrus-container-grizzly-client',
                    version: '1.14'
     // https://mvnrepository.com/artifact/org.postgresql/postgresql
-    implementation group: 'org.postgresql', name: 'postgresql', version: '9.4.1212'
+    implementation group: 'org.postgresql', name: 'postgresql', version: '42.2.23'
     implementation group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.8.2'
     implementation group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.8.2'
     implementation 'org.apache.logging.log4j:log4j-1.2-api:2.8.2'