diff --git a/build.gradle b/build.gradle
index 224e291..3597bdc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -46,7 +46,7 @@ dependencies {
   implementation('org.glassfish.jaxb:jaxb-runtime:2.3.6')
   implementation('com.sun.xml.bind:jaxb-core:4.0.1')
 
-  testImplementation 'org.spockframework:spock-core:2.2-groovy-4.0'
+  testImplementation 'org.spockframework:spock-core:2.3-groovy-4.0'
   testImplementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
   compileOnly "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
 }