diff --git a/hecl/LICENSE b/hecl/LICENSE
index fd06c7b05..2514b9d5b 100644
--- a/hecl/LICENSE
+++ b/hecl/LICENSE
@@ -1,6 +1,7 @@
-The MIT License (MIT)
+The AxioDL License
 
-Copyright (c) 2015 Jack Andersen
+Copyright (c) 2015 HECL Contributors
+Original Authors: Jack Andersen and Phillip "Antidote" Stephens
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -12,6 +13,12 @@ furnished to do so, subject to the following conditions:
 The above copyright notice and this permission notice shall be included in all
 copies or substantial portions of the Software.
 
+Redistributions of the Software may not embed or fetch 3rd-party promotions or
+advertising ("adware") that are unrelated to the redistribution's content.
+The Software may not be modified to connect to 3rd-party advertising sources
+("ad-networks"). Self-promotions of distribution-extensions are permissible
+(e.g. microtransactions).
+
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
diff --git a/hecl/extern/Athena b/hecl/extern/Athena
index b798647e0..b0d56910c 160000
--- a/hecl/extern/Athena
+++ b/hecl/extern/Athena
@@ -1 +1 @@
-Subproject commit b798647e0870a342b453bbf5b76fb61e7d4ff224
+Subproject commit b0d56910ceb1df893540b218b1ab1676f35fbf3a
diff --git a/hecl/extern/libBoo b/hecl/extern/libBoo
index e7cbf1715..99b4f155e 160000
--- a/hecl/extern/libBoo
+++ b/hecl/extern/libBoo
@@ -1 +1 @@
-Subproject commit e7cbf171501aaa53ac2e89cfd7ca5a95b4f53af6
+Subproject commit 99b4f155e35933cb495d2077a756ca5e89733f67