diff --git a/build.gradle b/build.gradle
index 5d53276..61583ad 100644
--- a/build.gradle
+++ b/build.gradle
@@ -46,7 +46,7 @@ dependencies {
     api "org.glassfish:jakarta.el:4.0.2"
 
     testImplementation 'org.slf4j:slf4j-simple:1.7.31'
-    testImplementation 'org.spockframework:spock-core:1.3-groovy-2.5'
+    testImplementation 'org.spockframework:spock-core:2.3-groovy-4.0'
     testImplementation 'org.codehaus.groovy:groovy-all:2.5.14'
 }