diff --git a/software/slapos-testing/buildout.hash.cfg b/software/slapos-testing/buildout.hash.cfg
index 94f98a9f57664e47d20f546e073e5879f3c13524..9bd0ed1c680e8f61306ddc151ee9d8d9c5b540ee 100644
--- a/software/slapos-testing/buildout.hash.cfg
+++ b/software/slapos-testing/buildout.hash.cfg
@@ -15,4 +15,4 @@
 # not need these here).
 [template]
 filename = instance.cfg
-md5sum = d353228d30d5a8b1e0ab896f7c75e008
+md5sum = 5629e676aa596818d7b0d6668d2fe61c
diff --git a/software/slapos-testing/instance.cfg b/software/slapos-testing/instance.cfg
index 2a5d9857b25a679286d527737c396726e176b145..a68e76244debcaa411c2e2b3a5df22b139f5d154 100644
--- a/software/slapos-testing/instance.cfg
+++ b/software/slapos-testing/instance.cfg
@@ -94,7 +94,7 @@ test-list =
   $${erp5-util:location}
   $${caucase:location}
   $${slapos.libnetworkcache:location}
-prepend-path = ${curl:location}/bin:${openssl:location}/bin:${git:location}/bin:${libxslt:location}/bin:${python2.7:location}/bin
+prepend-path = ${curl:location}/bin:${openssl:location}/bin:${git:location}/bin:${libxslt:location}/bin:${python2.7:location}/bin:${python3.5:location}/bin
 environment = environment
 
 [environment]
diff --git a/software/slapos-testing/software.cfg b/software/slapos-testing/software.cfg
index af3b39adbfdd1eaf5e308e671e737a8eff835a8b..978f27185916a3b7ea04e681ad36423328dab409 100644
--- a/software/slapos-testing/software.cfg
+++ b/software/slapos-testing/software.cfg
@@ -9,6 +9,7 @@ extends =
   ../../component/bcrypt/buildout.cfg
   ../../component/python-2.7/buildout.cfg
   ../../component/python-setuptools/buildout.cfg
+  ../../component//python3/buildout.cfg
   ../../component/zlib/buildout.cfg
   ../../component/phantomjs/buildout.cfg
   ../../component/pycurl/buildout.cfg