diff --git a/.travis/before_install b/.travis/before_install
index 0bdc18cb..9e81eb2d 100644
--- a/.travis/before_install
+++ b/.travis/before_install
@@ -18,5 +18,4 @@ which python
 python setup.py sdist && python setup.py install
 
 # Install Singularity (development)
-cd /tmp && git clone -b vault/release-2.5 https://github.com/singularityware/singularity.git && cd singularity && ./autogen.sh && ./configure --prefix=/usr/local && make && sudo make install
-
+cd /tmp && git clone -b vault/release-2.6 https://github.com/singularityware/singularity.git && cd singularity && ./autogen.sh && ./configure --prefix=/usr/local && make && sudo make install
diff --git a/.travis/script b/.travis/script
index 9c2617a3..b16b7ee5 100644
--- a/.travis/script
+++ b/.travis/script
@@ -1,5 +1,4 @@
 #!/bin/bash
-sudo apt-get install -y squashfs-tools
 cd $TRAVIS_BUILD_DIR/spython
 python -m unittest tests.test_client
 python -m unittest tests.test_utils
diff --git a/CHANGELOG.md b/CHANGELOG.md
index abc21e12..b68da4b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ The client here will eventually be released as "spython" (and eventually to
 singularity on pypi), and the versions here will coincide with these releases.
 
 ## [master](https://github.com/singularityhub/singularity-cli/tree/master)
+ - instance stop all missing check for Singularity V3.+ (0.0.52)
  - fixing bug with instances list, name not taken into account (0.0.51)
  - additional of args to instance start commands (0.0.50)
  - continued lines should not be split in docker.py recipe parser (_setup) (0.0.49)
diff --git a/spython/main/instances.py b/spython/main/instances.py
index 23a75c69..957a2f39 100644
--- a/spython/main/instances.py
+++ b/spython/main/instances.py
@@ -109,7 +109,12 @@ def stopall(self, sudo=False, quiet=True):
     from spython.utils import run_command, check_install
     check_install()
 
-    cmd = self._init_command('instance.stop')
+    subgroup = 'instance.stop'
+
+    if 'version 3' in get_singularity_version():
+        subgroup = ["instance", "stop"]
+
+    cmd = self._init_command(subgroup)
     cmd = cmd + ['--all']
     output = run_command(cmd, sudo=sudo, quiet=quiet)
 
@@ -119,4 +124,4 @@ def stopall(self, sudo=False, quiet=True):
         bot.error(message)
         return output['return_code']
 
-    return output['return_code']    
+    return output['return_code']
diff --git a/spython/version.py b/spython/version.py
index e2ce1160..45621e95 100644
--- a/spython/version.py
+++ b/spython/version.py
@@ -6,7 +6,7 @@
 # with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 
-__version__ = "0.0.51"
+__version__ = "0.0.52"
 AUTHOR = 'Vanessa Sochat'
 AUTHOR_EMAIL = 'vsochat@stanford.edu'
 NAME = 'spython'