--- a/config/module.df
+++ b/config/module.df
@@ -15,9 +15,9 @@
 # Reserved.
 #
 
 # Module description file
 #
 # A module is also called a component or a subsystem.
 
 MOD_NAME = nspr20
-MOD_VERSION = 3
+MOD_VERSION = 4

--- a/pr/include/prinit.h
+++ b/pr/include/prinit.h
@@ -39,22 +39,22 @@ PR_BEGIN_EXTERN_C
 /*
 ** NSPR's version is used to determine the likelihood that the version you
 ** used to build your component is anywhere close to being compatible with
 ** what is in the underlying library.
 **
 ** The format of the version string is
 **     "<major version>.<minor version> <build date>"
 */
-#define PR_VERSION  "3.5"
-#define PR_VMAJOR   3
-#define PR_VMAJOR_STR "3"
-#define PR_VMINOR   5
+#define PR_VERSION  "4.0 Beta"
+#define PR_VMAJOR   4
+#define PR_VMAJOR_STR "4"
+#define PR_VMINOR   0
 #define PR_VPATCH   0
-#define PR_BETA     PR_FALSE
+#define PR_BETA     PR_TRUE
 
 /*
 ** PRVersionCheck
 **
 ** The basic signature of the function that is called to provide version
 ** checking. The result will be a boolean that indicates the likelihood
 ** that the underling library will perform as the caller expects.
 **