killbill-memoizeit

diff --git a/catalog/pom.xml b/catalog/pom.xml
index 44ff29d..d237f75 100644
--- a/catalog/pom.xml
+++ b/catalog/pom.xml
@@ -38,6 +38,8 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
+            <!-- Required scope for the maven shade plugin (tools) -->
+            <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>com.google.inject</groupId>