diff --git a/router-protobuf/build.gradle.kts b/router-protobuf/build.gradle.kts
index 3c68060a..ae33c859 100644
--- a/router-protobuf/build.gradle.kts
+++ b/router-protobuf/build.gradle.kts
@@ -16,7 +16,7 @@ dependencies {
     implementation("org.slf4j:slf4j-api:2.0.5")
     api("com.google.protobuf:protobuf-java:3.25.1")
     api("com.google.protobuf:protobuf-java-util:3.25.1")
-    implementation("com.google.guava:guava:31.1-jre")
+    implementation("com.google.guava:guava:32.1.3-jre")
     api(project(":router"))
 
     testImplementation("org.junit.jupiter:junit-jupiter-engine:5.9.1")
diff --git a/router/build.gradle.kts b/router/build.gradle.kts
index a474d1ed..22f55eb0 100644
--- a/router/build.gradle.kts
+++ b/router/build.gradle.kts
@@ -9,7 +9,7 @@ dependencies {
     implementation("org.slf4j:slf4j-api:2.0.5")
     api("com.fasterxml.jackson.core:jackson-databind:2.14.1")
     api("com.fasterxml.jackson.module:jackson-module-kotlin:2.14.1")
-    api("com.google.guava:guava:31.1-jre")
+    api("com.google.guava:guava:32.1.3-jre")
 
     testImplementation("org.junit.jupiter:junit-jupiter-engine:5.9.1")
     testImplementation("org.junit.jupiter:junit-jupiter-params:5.9.1")