diff --git a/mx.fastr/suite.py b/mx.fastr/suite.py
index 4003efe2cde967c8fb499814c73639ad8a24837c..bfab63f7e3f3d7aff64a3a646d6aa602bc8d7321 100644
--- a/mx.fastr/suite.py
+++ b/mx.fastr/suite.py
@@ -89,6 +89,12 @@ suite = {
       "urls" : ["http://central.maven.org/maven2/org/antlr/antlr-complete/3.5.1/antlr-complete-3.5.1.jar"],
       "sha1" : "ebb4b995fd67a9b291ea5b19379509160f56e154",
     },
+    
+    "XZ-1.5" : {
+      "path" : "libdownloads/xz-1.5.jar",
+      "urls" : ["http://central.maven.org/maven2/org/tukaani/xz/1.5/xz-1.5.jar"],
+      "sha1" : "9c64274b7dbb65288237216e3fae7877fd3f2bee",
+    },
 
   },
 
@@ -136,6 +142,7 @@ suite = {
       "sourceDirs" : ["src"],
       "dependencies" : [
         "com.oracle.truffle.r.library",
+        "XZ-1.5"
       ],
       "checkstyle" : "com.oracle.truffle.r.runtime",
       "javaCompliance" : "1.8",