diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index e8636054f4e..ce88993391f 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -43,7 +43,7 @@ jacksonDatabind = "2.18.2"
 javalite = "3.25.5"
 jsonassert = "1.5.0"
 kotest = "5.9.0" # Do not use 5.9.1 because it reverts the fix for https://github.com/kotest/kotest/issues/3981
-kotestAssertionsCore = "5.8.1"
+kotestAssertionsCore = "6.0.4"
 kotlin = "2.0.21"
 ktorVersion = "3.0.3"
 legacySupportV4 = "1.0.0"