diff --git a/tests/integration/host/build.gradle.kts b/tests/integration/host/build.gradle.kts
index 09c79a4d..7351d814 100644
--- a/tests/integration/host/build.gradle.kts
+++ b/tests/integration/host/build.gradle.kts
@@ -30,11 +30,12 @@ dependencies {
     testImplementation("software.amazon.awssdk:rds:2.20.49")
     testImplementation("software.amazon.awssdk:ec2:2.20.61")
     testImplementation("software.amazon.awssdk:secretsmanager:2.20.49")
-    testImplementation("org.testcontainers:testcontainers:1.17.4")
-    testImplementation("org.testcontainers:mysql:1.18.0")
-    testImplementation("org.testcontainers:postgresql:1.17.5")
-    testImplementation("org.testcontainers:junit-jupiter:1.17.4")
-    testImplementation("org.testcontainers:toxiproxy:1.17.5")
+    // Note: all org.testcontainers dependencies should have the same version
+    testImplementation("org.testcontainers:testcontainers:1.21.2")
+    testImplementation("org.testcontainers:mysql:1.21.2")
+    testImplementation("org.testcontainers:postgresql:1.21.2")
+    testImplementation("org.testcontainers:junit-jupiter:1.21.2")
+    testImplementation("org.testcontainers:toxiproxy:1.21.2")
     testImplementation("org.apache.poi:poi-ooxml:5.2.2")
     testImplementation("org.slf4j:slf4j-simple:2.0.3")
     testImplementation("com.fasterxml.jackson.core:jackson-databind:2.14.2")