diff --git a/build.gradle b/build.gradle
index 693b641..8c13be1 100755
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ repositories {
 dependencies {
   // mandatory dependencies for using Spock
   groovy("org.codehaus.groovy:groovy-all:1.8.6")
-  testCompile "org.spockframework:spock-core:0.6-groovy-1.8-SNAPSHOT"
+  testCompile "org.spockframework:spock-core:0.6-groovy-1.8-rc-1"
 
   // optional dependencies for using Spock
   testCompile "org.hamcrest:hamcrest-core:1.2" // only necessary if Hamcrest matchers are used
diff --git a/build.xml b/build.xml
index 713bf01..e2ed144 100644
--- a/build.xml
+++ b/build.xml
@@ -27,7 +27,7 @@
       <dependency
         groupId="org.spockframework"
         artifactId="spock-core"
-        version="0.6-groovy-1.8-SNAPSHOT" />
+        version="0.6-groovy-1.8-rc-1" />
 <!-- Optional dependencies for using Spock -->
       <!-- enables mocking of classes (in addition to interfaces) -->
       <dependency 
diff --git a/pom.xml b/pom.xml
index 3147647..995569f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -58,7 +58,7 @@
         -->
         <groupId>org.spockframework</groupId>
         <artifactId>spock-maven</artifactId>
-        <version>0.6-groovy-1.8-SNAPSHOT</version>
+        <version>0.6-groovy-1.8-rc-1</version>
         <executions>
           <execution>
             <goals>
@@ -91,7 +91,7 @@
     <dependency>
       <groupId>org.spockframework</groupId>
       <artifactId>spock-core</artifactId>
-      <version>0.6-groovy-1.8-SNAPSHOT</version>
+      <version>0.6-groovy-1.8-rc-1</version>
       <scope>test</scope>
     </dependency>
     <!-- Optional dependencies for using Spock -->