diff --git a/software/slapos-testing/software.cfg b/software/slapos-testing/software.cfg
index efe2db7403e88afe2f6da7798138eef28764c2c7..d479703301b72b67a1944e21c224a36804b8b521 100644
--- a/software/slapos-testing/software.cfg
+++ b/software/slapos-testing/software.cfg
@@ -214,3 +214,7 @@ lockfile = 0.12.2
 # Required by:
 # slapos.toolbox==0.76
 passlib = 1.7.1
+
+# Required by:
+# caucase
+PyJWT = 1.6.4
diff --git a/stack/caucase/buildout.cfg b/stack/caucase/buildout.cfg
index 14c51ee39a0184af35a4eceea321d7788f8beeb8..1f825cdde0a427856815a43a1898f87b937a2ba2 100644
--- a/stack/caucase/buildout.cfg
+++ b/stack/caucase/buildout.cfg
@@ -97,6 +97,7 @@ gunicorn = 19.7.1
 slapos.recipe.template = 4.3
 slapos.toolbox = 0.81
 smmap2 = 2.0.3
+PyJWT = 1.6.4
 
 # Required by:
 # caucase==0.1.4
diff --git a/stack/slapos.cfg b/stack/slapos.cfg
index d2914282f7a94d8d1d3c5b68fe0af7d66bd25aed..12dc7b4faae77795bdb792531ab1482d8c976258 100644
--- a/stack/slapos.cfg
+++ b/stack/slapos.cfg
@@ -116,7 +116,7 @@ click = 6.7
 cliff = 2.4.0
 cmd2 = 0.7.0
 collective.recipe.template = 2.0
-cryptography = 2.1.1
+cryptography = 2.3.1
 decorator = 4.0.11
 idna = 2.2
 inotify-simple = 1.1.1
@@ -129,13 +129,13 @@ pbr = 2.0.0
 plone.recipe.command = 1.1
 prettytable = 0.7.2
 psutil = 5.4.3
-pyOpenSSL = 17.2.0
+pyOpenSSL = 18.0.0
 pyparsing = 2.2.0
 pytz = 2016.10
 requests = 2.13.0
 six = 1.10.0
 slapos.cookbook = 1.0.75
-slapos.core = 1.4.10
+slapos.core = 1.4.11
 slapos.extension.strip = 0.4
 slapos.extension.shared = 1.0
 slapos.libnetworkcache = 0.15