diff --git a/buildSrc/build.gradle.kts b/buildSrc/build.gradle.kts
index 6ebb74bc..4337f26d 100644
--- a/buildSrc/build.gradle.kts
+++ b/buildSrc/build.gradle.kts
@@ -10,10 +10,10 @@ dependencies {
     implementation(libs.plugin.springBoot)
     implementation(libs.plugin.springDependencyManagement)
     implementation(libs.plugin.spotless)
-    implementation(kotlin("allopen", "2.0.0-RC2"))
-    implementation(kotlin("gradle-plugin", "2.0.0-RC2"))
+    implementation(kotlin("allopen", "2.0.0-RC3"))
+    implementation(kotlin("gradle-plugin", "2.0.0-RC3"))
     // required for kotlin plugin jpa
-    implementation(kotlin("reflect", "2.0.0-RC2"))
-    implementation(kotlin("stdlib-jdk8", "2.0.0-RC2"))
-    implementation(kotlin("noarg", "2.0.0-RC2"))
+    implementation(kotlin("reflect", "2.0.0-RC3"))
+    implementation(kotlin("stdlib-jdk8", "2.0.0-RC3"))
+    implementation(kotlin("noarg", "2.0.0-RC3"))
 }
diff --git a/buildSrc/src/main/kotlin/integration-testing-conventions.gradle.kts b/buildSrc/src/main/kotlin/integration-testing-conventions.gradle.kts
index 81b1845f..1836a182 100644
--- a/buildSrc/src/main/kotlin/integration-testing-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/integration-testing-conventions.gradle.kts
@@ -21,7 +21,7 @@ dependencies {
         exclude(module = "hamcrest") // require developers to use KoTest
         exclude(module = "org.assertj") // require developers to use KoTest
     }
-    intTestImplementation("io.kotest:kotest-runner-junit5:5.8.1")
+    intTestImplementation("io.kotest:kotest-runner-junit5:5.9.0")
 }
 
 val integrationTest = task<Test>("integrationTest") {
diff --git a/buildSrc/src/main/kotlin/kotlin-testing-conventions.gradle.kts b/buildSrc/src/main/kotlin/kotlin-testing-conventions.gradle.kts
index 75e6b36c..42a6e515 100644
--- a/buildSrc/src/main/kotlin/kotlin-testing-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/kotlin-testing-conventions.gradle.kts
@@ -5,5 +5,5 @@ plugins {
 dependencies {
     testImplementation("io.mockk:mockk-jvm:1.13.10")
     testImplementation("com.ninja-squad:springmockk:4.0.2")
-    testImplementation("io.kotest:kotest-assertions-core-jvm:5.8.1")
+    testImplementation("io.kotest:kotest-assertions-core-jvm:5.9.0")
 }
diff --git a/buildSrc/src/main/kotlin/testing-conventions.gradle.kts b/buildSrc/src/main/kotlin/testing-conventions.gradle.kts
index b2e1fe37..2444e57b 100644
--- a/buildSrc/src/main/kotlin/testing-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/testing-conventions.gradle.kts
@@ -8,7 +8,7 @@ dependencies {
     // kotlin related dependencies should move to kotlin-testing-conventions
     testImplementation("io.mockk:mockk-jvm:1.13.10")
     testImplementation("com.ninja-squad:springmockk:4.0.2")
-    testImplementation("io.kotest:kotest-assertions-core-jvm:5.8.1")
+    testImplementation("io.kotest:kotest-assertions-core-jvm:5.9.0")
 }
 
 tasks.test {
diff --git a/docker-compose.yml b/docker-compose.yml
index f94fbe3d..b2ba46d2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -23,7 +23,7 @@ services:
       spring.flyway.schemas: "private,public"
   postgres:
     # update server/data/src/test/resources/application.yml
-    image: "postgres:16.2-alpine3.18"
+    image: "postgres:16.3-alpine3.18"
     environment:
       POSTGRES_DB: "bss"
       POSTGRES_USER: "user"
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index a994dbbd..626cb5b5 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -2,7 +2,7 @@
 springdoc = "2.5.0"
 springBoot = "3.2.5"
 springDependencyManagementPlugin = "1.1.5"
-kotest = "5.8.1"
+kotest = "5.9.0"
 spotless = "6.25.0"
 
 [libraries]