diff --git a/backend/build.gradle.kts b/backend/build.gradle.kts
index c5abb42..b94c328 100644
--- a/backend/build.gradle.kts
+++ b/backend/build.gradle.kts
@@ -1,4 +1,5 @@
 val wiremockVersion = "3.12.0"
+val postgresqlVersion = "42.7.11"
 
 plugins {
 	java
@@ -46,6 +47,7 @@ dependencies {
 	implementation("org.springframework.boot:spring-boot-starter-validation")
 	implementation("org.springframework.boot:spring-boot-starter-webmvc")
 	implementation("org.springframework.ai:spring-ai-starter-model-openai")
+	implementation("org.postgresql:postgresql:$postgresqlVersion")
 	
 	compileOnly("org.projectlombok:lombok")