diff --git a/router-openapi-request-validator/build.gradle.kts b/router-openapi-request-validator/build.gradle.kts
index 0f7447c..59c78d5 100644
--- a/router-openapi-request-validator/build.gradle.kts
+++ b/router-openapi-request-validator/build.gradle.kts
@@ -12,5 +12,5 @@ dependencies {
     testImplementation("org.junit.jupiter:junit-jupiter-engine:5.10.3")
     testImplementation("org.assertj:assertj-core:3.26.0")
     testImplementation("io.mockk:mockk:1.13.11")
-    testImplementation("org.slf4j:slf4j-simple:2.0.13")
+    testImplementation("org.slf4j:slf4j-simple:2.0.16")
 }
\ No newline at end of file
diff --git a/router-protobuf/build.gradle.kts b/router-protobuf/build.gradle.kts
index 8c79fc5..286bdf9 100644
--- a/router-protobuf/build.gradle.kts
+++ b/router-protobuf/build.gradle.kts
@@ -22,7 +22,7 @@ dependencies {
     testImplementation("com.willowtreeapps.assertk:assertk-jvm:0.28.1")
     testImplementation("org.assertj:assertj-core:3.26.0")
     testImplementation("io.mockk:mockk:1.13.11")
-    testImplementation("org.slf4j:slf4j-simple:2.0.13")
+    testImplementation("org.slf4j:slf4j-simple:2.0.16")
     testImplementation("com.jayway.jsonpath:json-path:2.9.0")
 }