diff --git a/common/common-io/src/main/java/com/twelvemonkeys/net/HTTPUtil.java b/common/common-io/src/main/java/com/twelvemonkeys/net/HTTPUtil.java
index ba670646..399adf29 100644
--- a/common/common-io/src/main/java/com/twelvemonkeys/net/HTTPUtil.java
+++ b/common/common-io/src/main/java/com/twelvemonkeys/net/HTTPUtil.java
@@ -98,6 +98,8 @@ public class HTTPUtil {
         }
     }
 
+    private HTTPUtil() {}
+
     /**
      * Formats the time to a HTTP date, using the RFC 1123 format, as described
      * in <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.3"