diff --git a/Packages/Installation/changes.txt b/Packages/Installation/changes.txt
index 2c256b75369..cb1710774e6 100644
--- a/Packages/Installation/changes.txt
+++ b/Packages/Installation/changes.txt
@@ -8,6 +8,7 @@
 //---------------------------------------------------------------------
 
 GLOB: Updated makefile.
+GLOB: Introduced variable GMP_LIBNAME (-> libgmp.a || gmp.lib).
 GLOB: Check for LEDA_STD_HEADERS on windows compilers.
 GLOB: Now also binary distribution of libgmp for cygwin/g++.
 GLOB: Cleanup in gmp_menu and cln_menu.
diff --git a/Packages/Installation/long_description.txt b/Packages/Installation/long_description.txt
index 1923dd0d2fd..92fc4d1a9d8 100644
--- a/Packages/Installation/long_description.txt
+++ b/Packages/Installation/long_description.txt
@@ -3,6 +3,12 @@
 //=====================================================================
 
 
+//---------------------------------------------------------------------
+//	revision 1.90
+//---------------------------------------------------------------------
+
+GLOB: Introduced variable GMP_LIBNAME (-> libgmp.a || gmp.lib).
+
 //---------------------------------------------------------------------
 //	revision 1.89
 //---------------------------------------------------------------------
diff --git a/Packages/Installation/version b/Packages/Installation/version
index d4efa7e794a..de44428cd11 100644
--- a/Packages/Installation/version
+++ b/Packages/Installation/version
@@ -1 +1 @@
-1.89 (10 January 2000)
+1.90 (11 January 2000)