diff --git a/pom.xml b/pom.xml
index b10f082..c3278bc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -136,7 +136,7 @@
     <dependency>
       <groupId>com.carrotsearch</groupId>
       <artifactId>hppc</artifactId>
-      <version>0.5.2</version>
+      <version>0.7.1</version>
       <!-- Not marking optional because recent Solr versions require it. -->
     </dependency>