diff --git a/src/org/labkey/test/util/VersionRange.java b/src/org/labkey/test/util/VersionRange.java
index 123b9a987d..0fe8220e5a 100644
--- a/src/org/labkey/test/util/VersionRange.java
+++ b/src/org/labkey/test/util/VersionRange.java
@@ -23,7 +23,9 @@ public static VersionRange until(String version)
 
     public static VersionRange versionRange(String earliestVersion, String latestVersion)
     {
-        return new VersionRange(new Version(earliestVersion), new Version(latestVersion));
+        Version earliest = earliestVersion == null ? null : new Version(earliestVersion);
+        Version latest = latestVersion == null ? null : new Version(latestVersion);
+        return new VersionRange(earliest, latest);
     }
 
     public boolean contains(Version version)