diff --git a/orthopairs/pom.xml b/orthopairs/pom.xml
index 35732ad68..0645f9f5c 100644
--- a/orthopairs/pom.xml
+++ b/orthopairs/pom.xml
@@ -27,7 +27,7 @@
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-compress</artifactId>
-			<version>1.19</version>
+			<version>1.21</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>