diff --git a/.gitmodules b/.gitmodules
index b5ca7d9e..be996dc4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -85,3 +85,6 @@
 [submodule "lib/addon-sdk-1.12"]
 	path = lib/addon-sdk-1.12
 	url = git://github.com/mozilla/addon-sdk.git
+[submodule "lib/addon-sdk-1.13"]
+	path = lib/addon-sdk-1.13
+	url = git://github.com/mozilla/addon-sdk.git
diff --git a/lib/addon-sdk-1.13 b/lib/addon-sdk-1.13
new file mode 160000
index 00000000..c1907229
--- /dev/null
+++ b/lib/addon-sdk-1.13
@@ -0,0 +1 @@
+Subproject commit c1907229502ce8b39790da17ad6e1ae41680e907
diff --git a/settings.py b/settings.py
index ff7d2c82..88654fe1 100644
--- a/settings.py
+++ b/settings.py
@@ -132,8 +132,8 @@
 
 # The lowest approved SDK available for add-ons
 DISABLED_SDKS = ('1.4', '1.4.1', '1.4.1-w-1', '1.4.2')
-LOWEST_APPROVED_SDK = "1.12"
-TEST_SDK = 'addon-sdk-1.12'
+LOWEST_APPROVED_SDK = "1.13"
+TEST_SDK = 'addon-sdk-1.13'
 TEST_AMO_USERNAME = None
 TEST_AMO_PASSWORD = None
 AUTH_DATABASE = None