diff --git a/changelog.txt b/changelog.txt
index 13652c83..c929daa2 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -3482,3 +3482,11 @@ Solv geometry:
 - shmup:: fixed the keyboard rotation direction inconsistency in 3D
 - shmup for product: player movement
 
+20019-09-10 09:15 Version 11.1p:
+- smoother coloring pattern in Crystal
+- fixed some minor glitches in SL2
+- fixed the glitches in S2xE
+- an option to show the underlying geometry in rotation spaces
+- an option to display a crosshair in the center of the screen
+- fixed the determining of the selected cell in product/rotation geometries
+- a quicker and more convenient way to recompile the source code after changes (see mymake.cpp)
diff --git a/hyper.h b/hyper.h
index 743d5d29..10f2b4bb 100644
--- a/hyper.h
+++ b/hyper.h
@@ -13,8 +13,8 @@
 #define _HYPER_H_
 
 // version numbers
-#define VER "11.1o"
-#define VERNUM_HEX 0xA70F
+#define VER "11.1p"
+#define VERNUM_HEX 0xA710
 
 #include "sysconfig.h"
 #include "classes.h"