diff --git a/connect-extension/build.gradle.kts b/connect-extension/build.gradle.kts
index a185765..325debe 100644
--- a/connect-extension/build.gradle.kts
+++ b/connect-extension/build.gradle.kts
@@ -42,9 +42,9 @@ dependencies {
 
 
     // testcontainers
-    testImplementation("org.testcontainers:testcontainers:1.19.4")
+    testImplementation("org.testcontainers:testcontainers:1.21.3")
     testImplementation("org.testcontainers:junit-jupiter:1.20.6")
-    testImplementation("org.testcontainers:kafka:1.19.4")
+    testImplementation("org.testcontainers:kafka:1.21.3")
 }
 
 publishing {