diff --git a/acceptance-test/build.gradle b/acceptance-test/build.gradle
index f29bcf7f..7b25843f 100644
--- a/acceptance-test/build.gradle
+++ b/acceptance-test/build.gradle
@@ -9,7 +9,7 @@ repositories {
 dependencies {
     implementation parent
 
-    testImplementation platform('org.spockframework:spock-bom:2.1-groovy-3.0')
+    testImplementation platform('org.spockframework:spock-bom:2.3-groovy-4.0')
     testImplementation 'org.spockframework:spock-core'
 }
 
diff --git a/build.gradle b/build.gradle
index d10ca607..695969d6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,7 +15,7 @@ dependencies {
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.14.2'
     implementation 'com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:2.15.0'
 
-    testImplementation platform('org.spockframework:spock-bom:2.1-groovy-3.0')
+    testImplementation platform('org.spockframework:spock-bom:2.3-groovy-4.0')
     testImplementation 'org.spockframework:spock-core'
 
     testRuntimeOnly 'cglib:cglib-nodep:3.3.0'