diff --git a/build.gradle b/build.gradle
index 7df9363..d074ad1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -29,7 +29,7 @@ dependencies {
 
   // optional dependencies for using Spock
   testImplementation "org.hamcrest:hamcrest-core:3.0"   // only necessary if Hamcrest matchers are used
-  testRuntimeOnly 'net.bytebuddy:byte-buddy:1.17.6' // allows mocking of classes (in addition to interfaces)
+  testRuntimeOnly 'net.bytebuddy:byte-buddy:1.18.0' // allows mocking of classes (in addition to interfaces)
   testRuntimeOnly "org.objenesis:objenesis:3.4"      // allows mocking of classes without default constructor (together with ByteBuddy or CGLIB)
 
   // dependencies used by examples in this project
diff --git a/pom.xml b/pom.xml
index 616c606..cec2120 100644
--- a/pom.xml
+++ b/pom.xml
@@ -97,7 +97,7 @@
     <dependency> <!-- enables mocking of classes (in addition to interfaces) -->
       <groupId>net.bytebuddy</groupId>
       <artifactId>byte-buddy</artifactId>
-      <version>1.17.6</version>
+      <version>1.18.0</version>
       <scope>test</scope>
     </dependency>
     <dependency> <!-- enables mocking of classes without default constructor (together with ByteBuddy or CGLIB) -->