diff --git a/build.gradle.kts b/build.gradle.kts
index 1c02958..baaf80c 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -46,7 +46,7 @@ dependencies {
     implementation("com.github.komputing.kethereum:abi:$kethereumVersion")
     implementation("com.github.komputing.kethereum:abi_codegen:$kethereumVersion")
 
-    testImplementation("org.assertj:assertj-core:3.20.2")
+    testImplementation("org.assertj:assertj-core:3.27.3")
     testImplementation("org.junit.jupiter:junit-jupiter-api:5.11.4")
     testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.11.4")