diff --git a/stack/slapos.cfg b/stack/slapos.cfg
index d6140a6bc1f863e518f33773101cff04bfe17311..d9ebba6c1e3d1b5e0a881d3582fab576b3e46a38 100644
--- a/stack/slapos.cfg
+++ b/stack/slapos.cfg
@@ -122,6 +122,7 @@ pyOpenSSL = 0.14
 pyparsing = 2.0.3
 setuptools = 7.0
 six = 1.8.0
+simplejson = 3.6.5
 slapos.cookbook = 0.87
 slapos.core = 1.3.1
 slapos.libnetworkcache = 0.14.2
@@ -130,7 +131,7 @@ slapos.recipe.cmmi = 0.2
 stevedore = 1.1.0
 
 # Required by:
-# slapos.core==1.2.4.1
+# slapos.core==1.3.1
 Flask = 0.10.1
 
 # Required by:
@@ -139,7 +140,7 @@ Flask = 0.10.1
 argparse = 1.2.1
 
 # Required by:
-# slapos.core==1.2.4.1
+# slapos.core==1.3.1
 cliff = 1.8.0
 
 # Required by:
@@ -155,7 +156,7 @@ lock-file = 2.0
 netaddr = 0.7.12
 
 # Required by:
-# slapos.core==1.2.4.1
+# slapos.core==1.3.1
 netifaces = 0.10.4
 
 # Required by:
@@ -168,7 +169,7 @@ pbr = 0.10.0
 pip = 1.5.6
 
 # Required by:
-# slapos.core==1.2.4.1
+# slapos.core==1.3.1
 psutil = 2.1.3
 
 # Required by:
@@ -180,19 +181,23 @@ pycparser = 2.10
 pytz = 2014.9
 
 # Required by:
-# slapos.core==1.2.4.1
+# slapos.core==1.3.1
 requests = 2.4.3
 
 # Required by:
-# slapos.core==1.2.4.1
+# slapos.core==1.3.1
 supervisor = 3.1.3
 
+# Required by:
+# slapos.core==1.3.1
+uritemplate = 0.6
+
 # Required by:
 # slapos.cookbook==0.87
 xml-marshaller = 0.9.7
 
 # Required by:
-# slapos.core==1.2.4.1
+# slapos.core==1.3.1
 zope.interface = 4.1.1
 
 [networkcache]