diff --git a/build.gradle.kts b/build.gradle.kts
index aa15d3f..48d2052 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -22,7 +22,7 @@ internal val coroutinesVersion = "1.8.0"
 internal val ktorVersion = "2.3.11"
 internal val saveVersion = "0.3.3"
 internal val junitVersion = "5.10.2"
-internal val assertjVersion = "3.25.3"
+internal val assertjVersion = "3.26.3"
 
 dependencies {
     implementation(kotlin("stdlib-jdk8"))