diff --git a/res/dev/make/maven/pom.xml b/res/dev/make/maven/pom.xml
index cdc22c306..604e2b95d 100644
--- a/res/dev/make/maven/pom.xml
+++ b/res/dev/make/maven/pom.xml
@@ -27,7 +27,7 @@
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-compress</artifactId>
-      <version>1.5</version>
+      <version>1.18</version>
     </dependency>
 
     <!-- https://mvnrepository.com/artifact/com.ibm.icu/icu4j -->
diff --git a/xowa.home.version b/xowa.home.version
new file mode 100644
index 000000000..704a75bdf
--- /dev/null
+++ b/xowa.home.version
@@ -0,0 +1 @@
+v4.6.5.1911_update2