diff --git a/collects/mred/info.rkt b/collects/mred/info.rkt
index 9b6cbaad87..c522ee60d2 100644
--- a/collects/mred/info.rkt
+++ b/collects/mred/info.rkt
@@ -1,4 +1,4 @@
 #lang setup/infotab
 
-(define version '(400))
+(define version '(510))
 (define post-install-collection "installer.rkt")
diff --git a/collects/mzscheme/info.rkt b/collects/mzscheme/info.rkt
index 0ec5662c1f..dd99f67f26 100644
--- a/collects/mzscheme/info.rkt
+++ b/collects/mzscheme/info.rkt
@@ -1,6 +1,6 @@
 #lang setup/infotab
 
-(define version '(400))
+(define version '(510))
 
 (define post-install-collection "installer.rkt")