diff --git a/build.gradle b/build.gradle
index 78bd787..4e3aca3 100755
--- a/build.gradle
+++ b/build.gradle
@@ -15,19 +15,19 @@ repositories {
 
 dependencies {
   // mandatory dependencies for using Spock
-  implementation "org.codehaus.groovy:groovy:3.0.8"
-  testImplementation platform("org.spockframework:spock-bom:2.0-groovy-3.0")
+  implementation "org.codehaus.groovy:groovy:3.0.9"
+  testImplementation platform("org.spockframework:spock-bom:2.1-groovy-3.0")
   testImplementation "org.spockframework:spock-core"
   testImplementation "org.spockframework:spock-junit4"  // you can remove this if your code does not rely on old JUnit 4 rules
 
   // optional dependencies for using Spock
   testImplementation "org.hamcrest:hamcrest-core:2.2"   // only necessary if Hamcrest matchers are used
-  testRuntimeOnly "net.bytebuddy:byte-buddy:1.11.0" // allows mocking of classes (in addition to interfaces)
+  testRuntimeOnly 'net.bytebuddy:byte-buddy:1.12.7' // allows mocking of classes (in addition to interfaces)
   testRuntimeOnly "org.objenesis:objenesis:3.2"      // allows mocking of classes without default constructor (together with ByteBuddy or CGLIB)
 
   // dependencies used by examples in this project
   testRuntimeOnly "com.h2database:h2:2.1.210"
-  implementation "org.codehaus.groovy:groovy-sql:3.0.8"
+  implementation "org.codehaus.groovy:groovy-sql:3.0.9"
 }
 
 test {
diff --git a/pom.xml b/pom.xml
index 77de148..2f7da4c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <groovy.version>3.0.8</groovy.version>
+    <groovy.version>3.0.9</groovy.version>
   </properties>
 
   <build>
@@ -70,7 +70,7 @@
       <dependency>
         <groupId>org.spockframework</groupId>
         <artifactId>spock-bom</artifactId>
-        <version>2.0-groovy-3.0</version>
+        <version>2.1-groovy-3.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
@@ -98,7 +98,7 @@
     <dependency> <!-- enables mocking of classes (in addition to interfaces) -->
       <groupId>net.bytebuddy</groupId>
       <artifactId>byte-buddy</artifactId>
-      <version>1.11.0</version>
+      <version>1.12.7</version>
       <scope>test</scope>
     </dependency>
     <dependency> <!-- enables mocking of classes without default constructor (together with ByteBuddy or CGLIB) -->