diff --git a/salt/utils/thin.py b/salt/utils/thin.py
index 5588a19ba3..04a940a8aa 100644
--- a/salt/utils/thin.py
+++ b/salt/utils/thin.py
@@ -10,6 +10,7 @@ import tarfile
 # Import third party libs
 import jinja2
 import yaml
+import msgpack
 try:
     import markupsafe
     HAS_MARKUPSAFE = True
@@ -60,6 +61,7 @@ def gen_thin(cachedir, extra_mods='', overwrite=False):
             os.path.dirname(salt.__file__),
             os.path.dirname(jinja2.__file__),
             os.path.dirname(yaml.__file__),
+            os.path.dirname(msgpack.__file__),
             ]
     for mod in [m for m in extra_mods.split(',') if m]:
         if mod not in locals() and mod not in globals():