diff --git a/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts b/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
index a337dff27..dc0e6fecf 100644
--- a/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/otel.java-conventions.gradle.kts
@@ -136,7 +136,7 @@ testing {
       implementation(project(project.path))
 
       implementation(enforcedPlatform("org.junit:junit-bom:5.12.2"))
-      implementation(enforcedPlatform("org.testcontainers:testcontainers-bom:1.21.0"))
+      implementation(enforcedPlatform("org.testcontainers:testcontainers-bom:1.21.1"))
       implementation(enforcedPlatform("com.google.guava:guava-bom:33.4.8-jre"))
       implementation(enforcedPlatform("com.linecorp.armeria:armeria-bom:1.32.5"))
 
diff --git a/dependencyManagement/build.gradle.kts b/dependencyManagement/build.gradle.kts
index 936485781..78e2b4579 100644
--- a/dependencyManagement/build.gradle.kts
+++ b/dependencyManagement/build.gradle.kts
@@ -51,7 +51,7 @@ dependencies {
     api("org.junit-pioneer:junit-pioneer:1.9.1")
     api("org.skyscreamer:jsonassert:1.5.3")
     api("org.apache.kafka:kafka-clients:4.0.0")
-    api("org.testcontainers:kafka:1.21.0")
+    api("org.testcontainers:kafka:1.21.1")
     api("com.lmax:disruptor:3.4.4")
     api("org.jctools:jctools-core:4.0.5")
     api("tools.profiler:async-profiler:4.0")