diff --git a/gcc/f/version.c b/gcc/f/version.c
index 5045c0da404..e2a59c47982 100644
--- a/gcc/f/version.c
+++ b/gcc/f/version.c
@@ -1 +1 @@
-const char *ffe_version_string = "0.5.26 20010130 (experimental)";
+const char *ffe_version_string = "0.5.26 20010131 (experimental)";
diff --git a/gcc/version.c b/gcc/version.c
index 1522cb806cd..e0340d74c8a 100644
--- a/gcc/version.c
+++ b/gcc/version.c
@@ -1,4 +1,4 @@
 #include "gansidecl.h"
 #include "version.h"
 
-const char *const version_string = "2.97 20010130 (experimental)";
+const char *const version_string = "2.97 20010131 (experimental)";
diff --git a/libf2c/libF77/Version.c b/libf2c/libF77/Version.c
index c3ff71a76f4..2d695f6de50 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__[] = "0.5.26 20010130 (experimental)";
+char __G77_LIBF77_VERSION__[] = "0.5.26 20010131 (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 a3d6bed577a..03d1975ecd7 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__[] = "0.5.26 20010130 (experimental)";
+char __G77_LIBI77_VERSION__[] = "0.5.26 20010131 (experimental)";
 
 /*
 2.01	$ format added
diff --git a/libf2c/libU77/Version.c b/libf2c/libU77/Version.c
index ceb862820ea..8a4ae0ab5c7 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__[] = "0.5.26 20010130 (experimental)";
+char __G77_LIBU77_VERSION__[] = "0.5.26 20010131 (experimental)";
 
 #include <stdio.h>