diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index ad6bcda3..2430721d 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -27,7 +27,7 @@ spring-boot-for-docs = "4.0.0-SNAPSHOT"
 spring-cloud-stream = "5.0.0-SNAPSHOT"
 spring-retry = "2.0.12"
 system-lambda = "1.2.1"
-testcontainers = "1.21.2"
+testcontainers = "1.21.3"
 # plugins
 antora = "1.0.0"
 antora-yml = "0.0.1"