diff --git a/modules/postgresql/build.gradle b/modules/postgresql/build.gradle
index 0177c8c6b0e..aa06a2d0249 100644
--- a/modules/postgresql/build.gradle
+++ b/modules/postgresql/build.gradle
@@ -10,7 +10,7 @@ dependencies {
     compileOnly 'io.r2dbc:r2dbc-postgresql:0.8.13.RELEASE'
 
     testImplementation project(':jdbc-test')
-    testRuntimeOnly 'org.postgresql:postgresql:42.7.1'
+    testRuntimeOnly 'org.postgresql:postgresql:42.7.3'
 
     testImplementation testFixtures(project(':r2dbc'))
     testRuntimeOnly 'io.r2dbc:r2dbc-postgresql:0.8.13.RELEASE'