diff --git a/icon/filext16x16/gdb16x16.gif b/icon/filext16x16/gdb16x16.gif
new file mode 100644
index 000000000..6b22216e4
Binary files /dev/null and b/icon/filext16x16/gdb16x16.gif differ
diff --git a/swad_changelog.h b/swad_changelog.h
index aa85a8fc9..5e13594d3 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -355,10 +355,11 @@ En OpenSWAD:
 ps2pdf source.ps destination.pdf
 */
 
-#define Log_PLATFORM_VERSION	"SWAD 18.13.4 (2018-11-04)"
+#define Log_PLATFORM_VERSION	"SWAD 18.13.5 (2018-11-08)"
 #define CSS_FILE		"swad18.4.css"
 #define JS_FILE			"swad17.17.1.js"
 /*
+	Version 18.13.5:  Nov 08, 2018  New file extension allowed, requested by Javier Fernández Baldomero: .gdb (GNU Debugger Script). (? lines)
 	Version 18.13.4:  Nov 05, 2018  Fixed bug in listing of users.
 					Fixed bug when logging comments.
 					Code refactoring in queries. (236535 lines)
diff --git a/swad_file_browser.c b/swad_file_browser.c
index 083d77a22..c076ec6bc 100644
--- a/swad_file_browser.c
+++ b/swad_file_browser.c
@@ -1227,6 +1227,7 @@ const char *Brw_FileExtensionsAllowed[] =
    "eps"  ,
    "fdf"  ,
    "flv"  ,
+   "gdb"  ,	// GNU Debugger Script
    "ggb"  ,
    "ggt"  ,
    "gif"  ,