diff --git a/gcc/f/version.c b/gcc/f/version.c
index 0ecf202f60d..6cda5fc2fff 100644
--- a/gcc/f/version.c
+++ b/gcc/f/version.c
@@ -1 +1 @@
-const char *ffe_version_string = "0.5.25 19991225 (experimental)";
+const char *ffe_version_string = "0.5.25 19991226 (experimental)";
diff --git a/gcc/version.c b/gcc/version.c
index 0ea2f365c82..aea0cc3e71d 100644
--- a/gcc/version.c
+++ b/gcc/version.c
@@ -1 +1 @@
-char *version_string = "2.96 19991225 (experimental)";
+char *version_string = "2.96 19991226 (experimental)";
diff --git a/libf2c/libF77/Version.c b/libf2c/libF77/Version.c
index d6b63c62351..a9d9529c9c1 100644
--- a/libf2c/libF77/Version.c
+++ b/libf2c/libF77/Version.c
@@ -3,7 +3,7 @@ static char junk[] = "\n@(#)LIBF77 VERSION 19990503\n";
 /*
 */
 
-char __G77_LIBF77_VERSION__[] = "0.5.25 19991225 (prerelease)";
+char __G77_LIBF77_VERSION__[] = "0.5.25 19991226 (prerelease)";
 
 /*
 2.00	11 June 1980.  File version.c added to library.
diff --git a/libf2c/libI77/Version.c b/libf2c/libI77/Version.c
index 0896930f858..f9c4852fa3f 100644
--- a/libf2c/libI77/Version.c
+++ b/libf2c/libI77/Version.c
@@ -3,7 +3,7 @@ static char junk[] = "\n@(#) LIBI77 VERSION pjw,dmg-mods 19990627\n";
 /*
 */
 
-char __G77_LIBI77_VERSION__[] = "0.5.25 19991225 (prerelease)";
+char __G77_LIBI77_VERSION__[] = "0.5.25 19991226 (prerelease)";
 
 /*
 2.01	$ format added
diff --git a/libf2c/libU77/Version.c b/libf2c/libU77/Version.c
index 9dc4336ccf9..27107c9cbde 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__[] = "0.5.25 19991225 (prerelease)";
+char __G77_LIBU77_VERSION__[] = "0.5.25 19991226 (prerelease)";
 
 #include <stdio.h>