diff --git a/pom.xml b/pom.xml
index 2942e7b..3ac8d00 100644
--- a/pom.xml
+++ b/pom.xml
@@ -61,7 +61,7 @@
     <microcks-testcontainers.version>0.4.1</microcks-testcontainers.version>
     <keycloak-testcontainers.version>3.9.0</keycloak-testcontainers.version>
     <junit.version>5.12.2</junit.version>
-    <testcontainers.version>1.21.3</testcontainers.version>
+    <testcontainers.version>1.21.4</testcontainers.version>
   </properties>
 
   <dependencies>