diff --git a/backend/build.gradle b/backend/build.gradle
index 1458746..94e8a0d 100644
--- a/backend/build.gradle
+++ b/backend/build.gradle
@@ -33,7 +33,7 @@ dependencies {
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.16.1'
 
     // PostgresSQL driver
-    implementation 'org.postgresql:postgresql:42.7.1'
+    implementation 'org.postgresql:postgresql:42.7.3'
     
     // Apache Commons Lang
     implementation 'org.apache.commons:commons-lang3:3.14.0'