diff --git a/subprojects/shipkit/shipkit.gradle b/subprojects/shipkit/shipkit.gradle
index d2b18feb..db13f7cb 100644
--- a/subprojects/shipkit/shipkit.gradle
+++ b/subprojects/shipkit/shipkit.gradle
@@ -9,7 +9,7 @@ apply plugin: 'com.gradle.plugin-publish'
 apply from: "$rootDir/gradle/upgrade-downstream.gradle"
 
 checkstyle {
-    toolVersion = '8.11'
+    toolVersion = '8.12'
     configFile = file("${rootDir}/config/checkstyle/checkstyle.xml")
 }
 
@@ -24,12 +24,12 @@ dependencies {
     compile "com.gradle.publish:plugin-publish-plugin:0.9.10"
     compile 'com.googlecode.java-diff-utils:diffutils:1.3.0'
 
-    testCompile("org.spockframework:spock-core:1.1-groovy-2.4") {
+    testCompile("org.spockframework:spock-core:1.2-groovy-2.4") {
         exclude module: "groovy-all"
     }
     testCompile 'info.solidsoft.spock:spock-global-unroll:0.5.1'    //automatically unroll Spock tests (if appropriate)
-    testCompile "net.bytebuddy:byte-buddy:1.7.1"
-    testCompile "org.objenesis:objenesis:2.5"
+    testCompile "net.bytebuddy:byte-buddy:1.8.22"
+    testCompile "org.objenesis:objenesis:2.6"
     testCompile "commons-lang:commons-lang:2.4"
     testCompile gradleTestKit()
 }
@@ -49,7 +49,7 @@ test {
 }
 
 codenarc {
-    toolVersion = '1.2'
+    toolVersion = '1.2.1'
 }
 
 pluginBundle {