diff --git a/cli/build.gradle b/cli/build.gradle
index 55774341..c8a14a16 100644
--- a/cli/build.gradle
+++ b/cli/build.gradle
@@ -14,7 +14,7 @@ dependencies {
 
     testImplementation project(':server-integration-test')
     testImplementation 'org.apache.sshd:sshd-core:2.2.0'
-    testImplementation platform("org.spockframework:spock-bom:2.3-groovy-3.0")
+    testImplementation platform("org.spockframework:spock-bom:2.3-groovy-4.0")
     testImplementation "org.spockframework:spock-core"
     testImplementation "org.spockframework:spock-junit4"
     testRuntimeOnly 'ch.qos.logback:logback-classic:1.5.18'
diff --git a/core/build.gradle b/core/build.gradle
index 62e3689d..676060cd 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -14,7 +14,7 @@ dependencies {
     api 'com.github.mwiede:jsch:0.2.26'
     api 'org.slf4j:slf4j-api:2.0.17'
 
-    testImplementation platform("org.spockframework:spock-bom:2.3-groovy-3.0")
+    testImplementation platform("org.spockframework:spock-bom:2.3-groovy-4.0")
     testImplementation "org.spockframework:spock-core"
     testImplementation "org.spockframework:spock-junit4"
     testRuntimeOnly 'cglib:cglib-nodep:3.3.0'
diff --git a/os-integration-test/build.gradle b/os-integration-test/build.gradle
index 2d9364c7..ba4a823a 100644
--- a/os-integration-test/build.gradle
+++ b/os-integration-test/build.gradle
@@ -10,7 +10,7 @@ dependencies {
     implementation project(':core')
 
     implementation 'junit:junit:4.13.2'
-    implementation 'org.spockframework:spock-core:2.3-groovy-3.0'
+    implementation 'org.spockframework:spock-core:2.3-groovy-4.0'
 }
 
 test {
diff --git a/server-integration-test/build.gradle b/server-integration-test/build.gradle
index fa815aef..c58b3b4e 100644
--- a/server-integration-test/build.gradle
+++ b/server-integration-test/build.gradle
@@ -15,7 +15,7 @@ dependencies {
     runtimeOnly 'org.bouncycastle:bcpkix-jdk15on:1.70'
 
     testImplementation 'org.codehaus.groovy.modules.http-builder:http-builder:0.7.1'
-    testImplementation platform("org.spockframework:spock-bom:2.3-groovy-3.0")
+    testImplementation platform("org.spockframework:spock-bom:2.3-groovy-4.0")
     testImplementation "org.spockframework:spock-core"
     testImplementation "org.spockframework:spock-junit4"
     testRuntimeOnly 'ch.qos.logback:logback-classic:1.5.18'