diff --git a/build.gradle b/build.gradle
index d8e87d5..bada49a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -51,7 +51,7 @@ dependencies {
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
 	runtimeOnly 'io.jsonwebtoken:jjwt-impl:0.11.5'
 	runtimeOnly 'io.jsonwebtoken:jjwt-jackson:0.11.5'
-	runtimeOnly 'com.mysql:mysql-connector-j'
+	runtimeOnly 'org.postgresql:postgresql'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.springframework.security:spring-security-test'
 	testImplementation("com.tngtech.archunit:archunit-junit5:1.2.1")