diff --git a/guava-modules/guava-18/pom.xml b/guava-modules/guava-18/pom.xml
index 199d735a41..d55aa9ce82 100644
--- a/guava-modules/guava-18/pom.xml
+++ b/guava-modules/guava-18/pom.xml
@@ -13,4 +13,8 @@
         <relativePath>../../parent-java</relativePath>
     </parent>
 
+    <properties>
+        <guava.version>18.0</guava.version>
+    </properties>
+
 </project>
\ No newline at end of file
diff --git a/guava-modules/guava-19/pom.xml b/guava-modules/guava-19/pom.xml
index c431f78cf7..0548bb0c1f 100644
--- a/guava-modules/guava-19/pom.xml
+++ b/guava-modules/guava-19/pom.xml
@@ -13,4 +13,8 @@
         <relativePath>../../parent-java</relativePath>
     </parent>
 
+    <properties>
+        <guava.version>19.0</guava.version>
+    </properties>
+
 </project>
\ No newline at end of file
diff --git a/guava-modules/guava-21/pom.xml b/guava-modules/guava-21/pom.xml
index 150ce2d4d2..bdb1058a48 100644
--- a/guava-modules/guava-21/pom.xml
+++ b/guava-modules/guava-21/pom.xml
@@ -22,6 +22,7 @@
     </dependencies>
 
     <properties>
+        <guava.version>21.0</guava.version>
         <jool.version>0.9.12</jool.version>
     </properties>