diff --git a/gcc/f/version.c b/gcc/f/version.c
index 869170c45f3b356b5ae5058504d7ae490c76bc1a..67065dc1eebfe546c187d0e5c91eb1a9be552954 100644
--- a/gcc/f/version.c
+++ b/gcc/f/version.c
@@ -1 +1 @@
-const char *const ffe_version_string = "0.5.27 20010914 (experimental)";
+const char *const ffe_version_string = "0.5.27 20010915 (experimental)";
diff --git a/gcc/version.c b/gcc/version.c
index ffd30ff37f16acf0d989e099dbebcbfb0d5fdc79..da46f942210552c9326a634a34b809f25df2029f 100644
--- a/gcc/version.c
+++ b/gcc/version.c
@@ -1,4 +1,4 @@
 #include "ansidecl.h"
 #include "version.h"
 
-const char *const version_string = "3.1 20010914 (experimental)";
+const char *const version_string = "3.1 20010915 (experimental)";
diff --git a/libf2c/libF77/Version.c b/libf2c/libF77/Version.c
index 32a0908b69f7023c2bbe69826524cf940803f956..bc37f3827241c7c88c5ff9038e51329a9b6a12ba 100644
--- a/libf2c/libF77/Version.c
+++ b/libf2c/libF77/Version.c
@@ -3,7 +3,7 @@ static char junk[] = "\n@(#)LIBF77 VERSION 20000929\n";
 /*
 */
 
-char __G77_LIBF77_VERSION__[] = "0.5.27 20010914 (experimental)";
+char __G77_LIBF77_VERSION__[] = "0.5.27 20010915 (experimental)";
 
 /*
 2.00	11 June 1980.  File version.c added to library.
diff --git a/libf2c/libI77/Version.c b/libf2c/libI77/Version.c
index 84aed0abcc719919cb8f017b2c30f6c8cc2f61b1..e8fa671194322bfc27df6213db93ba88e861f897 100644
--- a/libf2c/libI77/Version.c
+++ b/libf2c/libI77/Version.c
@@ -3,7 +3,7 @@ static char junk[] = "\n@(#) LIBI77 VERSION pjw,dmg-mods 20001205\n";
 /*
 */
 
-char __G77_LIBI77_VERSION__[] = "0.5.27 20010914 (experimental)";
+char __G77_LIBI77_VERSION__[] = "0.5.27 20010915 (experimental)";
 
 /*
 2.01	$ format added
diff --git a/libf2c/libU77/Version.c b/libf2c/libU77/Version.c
index f661a2df3ae0c2def144253f0de1afce2d6cbe72..793a48923d79196903f95d9997ecf37464c66933 100644
--- a/libf2c/libU77/Version.c
+++ b/libf2c/libU77/Version.c
@@ -1,6 +1,6 @@
 static char junk[] = "\n@(#) LIBU77 VERSION 19980709\n";
 
-char __G77_LIBU77_VERSION__[] = "0.5.27 20010914 (experimental)";
+char __G77_LIBU77_VERSION__[] = "0.5.27 20010915 (experimental)";
 
 #include <stdio.h>
 
diff --git a/libstdc++-v3/include/bits/c++config b/libstdc++-v3/include/bits/c++config
index 8142cad11aa9af43dfc812ac8f1dd61382049de8..56fd82fdefe8e4960db432fd5b14a93c1e3819e2 100644
--- a/libstdc++-v3/include/bits/c++config
+++ b/libstdc++-v3/include/bits/c++config
@@ -36,7 +36,7 @@
 #include <bits/limits.h>
 
 // The current version of the C++ library in compressed ISO date format.
-#define __GLIBCPP__ 20010914
+#define __GLIBCPP__ 20010915
 
 // This is necessary until GCC supports separate template
 // compilation.