diff --git a/build.gradle.kts b/build.gradle.kts
index fab3d03..6c45754 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -27,7 +27,7 @@ repositories {
     maven("https://s01.oss.sonatype.org/content/repositories/snapshots/")
 }
 
-extra["testcontainersVersion"] = "1.20.1"
+extra["testcontainersVersion"] = "1.20.4"
 extra["fmodelVersion"] = "3.5.1"
 extra["kotlinxSerializationJson"] = "1.7.1"
 extra["kotlinxCollectionsImmutable"] = "0.3.7"