Update Apache Commons Compress from 1.19 to 1.20.
diff --git a/pom.xml b/pom.xml
index e3a4eb4..58b647b 100755
--- a/pom.xml
+++ b/pom.xml
@@ -186,7 +186,7 @@
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-compress</artifactId>
-      <version>1.19</version>
+      <version>1.20</version>
     </dependency>
     <dependency>
       <groupId>org.apache.maven.plugin-testing</groupId>
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 9f929aa..fb1254c 100755
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -29,6 +29,7 @@
       <action type="update" dev="ggregory">Update Apache Commons Codec from 1.13 to 1.14.</action>
       <action type="update" dev="ggregory">Update JUnit from 4.12 to 4.13.</action>
       <action type="update" dev="ggregory">Update Maven dependencies from 3.6.1 to 3.6.3.</action>
+      <action type="update" dev="ggregory">Update Apache Commons Compress from 1.19 to 1.20.</action>
     </release>
 
     <release version="1.7" date="2019-08-30" description="Version 1.7">