diff --git a/build.gradle.kts b/build.gradle.kts
index 469e1ea..b7d04b6 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -34,10 +34,10 @@ dependencies {
     // should use the -no-dependencies version, but logger configuration is broken in artifact
     // also would like to use newer version, but there is no working arm docker image available
     testImplementation("org.mock-server:mockserver-client-java:5.15.0")
-    testImplementation("org.testcontainers:testcontainers:1.19.8")
-    testImplementation("org.testcontainers:junit-jupiter:1.19.8")
-    testImplementation("org.testcontainers:mockserver:1.19.8")
-    testImplementation("org.testcontainers:hivemq:1.19.8")
+    testImplementation("org.testcontainers:testcontainers:1.20.3")
+    testImplementation("org.testcontainers:junit-jupiter:1.20.3")
+    testImplementation("org.testcontainers:mockserver:1.20.3")
+    testImplementation("org.testcontainers:hivemq:1.20.3")
     testImplementation("org.awaitility:awaitility-kotlin:4.2.1")
 }