diff --git a/backend/build.gradle.kts b/backend/build.gradle.kts
index 9faf2035..7a178e04 100644
--- a/backend/build.gradle.kts
+++ b/backend/build.gradle.kts
@@ -16,7 +16,7 @@ plugins {
     id("io.spring.dependency-management") version "1.1.7"
 
     // Build and push docker images
-    id("com.google.cloud.tools.jib") version "3.5.1"
+    id("com.google.cloud.tools.jib") version "3.5.2"
 }
 
 repositories {
@@ -75,11 +75,11 @@ dependencies {
     testImplementation("io.kotest:kotest-assertions-core:5.9.1")
     testImplementation("io.kotest.extensions:kotest-extensions-spring:1.3.0")
     // Testcontainers to provide Postgres DB (https://testcontainers.org/)
-    testImplementation("org.testcontainers:testcontainers:1.21.3")
-    testImplementation("org.testcontainers:junit-jupiter:1.21.3")
-    testImplementation("org.testcontainers:postgresql:1.21.3")
+    testImplementation("org.testcontainers:testcontainers:1.21.4")
+    testImplementation("org.testcontainers:junit-jupiter:1.21.4")
+    testImplementation("org.testcontainers:postgresql:1.21.4")
     // Mocking with Mockk (https://mockk.io/)
-    testImplementation("io.mockk:mockk:1.14.6")
+    testImplementation("io.mockk:mockk:1.14.7")
 }
 
 // Fix version requirement from Kotest