diff --git a/build.sbt b/build.sbt
index 58a0f5ba0..35e230b53 100644
--- a/build.sbt
+++ b/build.sbt
@@ -182,7 +182,7 @@ val ruleManager = playProject(
       guice,
       jdbc,
       evolutions,
-      "org.postgresql" % "postgresql" % "42.5.1",
+      "org.postgresql" % "postgresql" % "42.5.5",
       "org.scalikejdbc" %% "scalikejdbc" % scalikejdbcVersion,
       "org.scalikejdbc" %% "scalikejdbc-config" % scalikejdbcVersion,
       "org.scalikejdbc" %% "scalikejdbc-play-initializer" % scalikejdbcPlayVersion,