diff --git a/mozilla/nsprpub/pr/include/prinit.h b/mozilla/nsprpub/pr/include/prinit.h
index 811cbae9b55..1635c2d1966 100644
--- a/mozilla/nsprpub/pr/include/prinit.h
+++ b/mozilla/nsprpub/pr/include/prinit.h
@@ -60,11 +60,11 @@ PR_BEGIN_EXTERN_C
 ** The format of the version string is
 **     "<major version>.<minor version>[.<patch level>] [<Beta>]"
 */
-#define PR_VERSION  "4.2"
+#define PR_VERSION  "4.2.1 Beta"
 #define PR_VMAJOR   4
 #define PR_VMINOR   2
-#define PR_VPATCH   0
-#define PR_BETA     PR_FALSE
+#define PR_VPATCH   1
+#define PR_BETA     PR_TRUE
 
 /*
 ** PRVersionCheck