diff --git a/config/versions.conf b/config/versions.conf
index 549de25..6f02bf7 100644
--- a/config/versions.conf
+++ b/config/versions.conf
@@ -3,5 +3,5 @@ coreutils	8.31
 getopt		1.1.6
 gettext		0.19.8
 modules		3.2.10.1
-Pmodules	1.0.0rc3
+Pmodules	1.0.0rc4
 Tcl		8.6.9