diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 49b7a5f..408d981 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -8,7 +8,7 @@ cacheApi = "1.1.1"
 # test dependencies — JUnit versions (Jupiter 5.x + Platform 1.x) are aligned
 # via the JUnit BOM (junit-bom) so they can never drift apart.
 junit = "5.11.0"
-assertj = "3.26.3"
+assertj = "3.27.7"
 mockito = "5.14.2"
 
 # benchmark (jmh) dependencies