diff --git a/mono.json b/mono.json
index 9e95370d13..650118d4bc 100644
--- a/mono.json
+++ b/mono.json
@@ -1,9 +1,9 @@
 {
-    "version":  "4.0.2",
-    "license":  "https://raw.githubusercontent.com/mono/mono/master/LICENSE",
-    "url":  "http://download.mono-project.com/archive/4.0.2/windows-installer/mono-4.0.2-gtksharp-2.12.26-win32-0.msi",
+    "version":  "4.8.0.495",
     "homepage":  "http://www.mono-project.com/",
-    "hash":  "15240b0d447c3e438c9df95378848a6ea3dccbdd463dce4e8f38c42df55f27ca",
+    "license":  "https://raw.githubusercontent.com/mono/mono/master/LICENSE",
+    "url":  "https://download.mono-project.com/archive/4.8.0/windows-installer/mono-4.8.0.495-gtksharp-2.12.42-win32-1.msi",
+    "hash":  "7B30232DE859E87A05CAB1BDE3B2C4681225AA4C48B6ADFC740E642CBDD3A5A7",
     "extract_dir":  "Mono",
     "bin":  [
         "bin\\gdk-pixbuf-query-loaders.exe",
@@ -14,15 +14,13 @@
         "bin\\mono-sgen.exe",
         "bin\\mono.exe",
         "bin\\monodis.exe",
+        "bin\\monograph.exe",
         "bin\\monow.exe",
         "bin\\pango-querymodules.exe",
-        "bin\\pedump.exe",
         "bin\\pkg-config.exe",
+        "bin\\sgen-grep-binprot.exe",
         "bin\\al.bat",
         "bin\\al2.bat",
-        "bin\\booc.bat",
-        "bin\\booi.bat",
-        "bin\\booish.bat",
         "bin\\caspol.bat",
         "bin\\cccheck.bat",
         "bin\\ccrewrite.bat",
@@ -33,6 +31,7 @@
         "bin\\crlupdate.bat",
         "bin\\csharp.bat",
         "bin\\disco.bat",
+        "bin\\dmcs.bat",
         "bin\\dtd2rng.bat",
         "bin\\dtd2xsd.bat",
         "bin\\fsharpc.bat",
@@ -54,7 +53,6 @@
         "bin\\irw.bat",
         "bin\\irw64.bat",
         "bin\\lc.bat",
-        "bin\\libatk-1.0-0.dll",
         "bin\\macpack.bat",
         "bin\\makecert.bat",
         "bin\\mconfig.bat",
@@ -63,10 +61,13 @@
         "bin\\mdoc.bat",
         "bin\\mkbundle.bat",
         "bin\\mod.bat",
+        "bin\\mono-api-html.bat",
         "bin\\mono-api-info.bat",
         "bin\\mono-cil-strip.bat",
         "bin\\mono-service.bat",
+        "bin\\mono-service2.bat",
         "bin\\mono-shlib-cop.bat",
+        "bin\\mono-symbolicate.bat",
         "bin\\mono-xmltool.bat",
         "bin\\monolinker.bat",
         "bin\\monop.bat",
@@ -74,6 +75,7 @@
         "bin\\mozroots.bat",
         "bin\\nuget.bat",
         "bin\\nunit-console.bat",
+        "bin\\nunit-console2.bat",
         "bin\\nunit-console4.bat",
         "bin\\pdb2mdb.bat",
         "bin\\permview.bat",