diff --git a/dummy/project.clj b/dummy/project.clj
index 6e7dee8..3b6802e 100644
--- a/dummy/project.clj
+++ b/dummy/project.clj
@@ -5,7 +5,7 @@
             :url "https://www.eclipse.org/legal/epl-2.0/"}
   :dependencies [[org.clojure/clojure "1.10.0"]
                  [ring "1.8.1"]
-                 [org.postgresql/postgresql "42.2.14"]]
+                 [org.postgresql/postgresql "42.3.4"]]
   :main ^:skip-aot dummy.core
   :target-path "target/%s"
   :profiles {:uberjar {:aot :all}})