diff --git a/.travis.yml b/.travis.yml
index 6f306427..d7878479 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ dist: trusty
 
 branches:
   only:
-  - cq1_pythonocc
+  - adam-urbanczyk-OCC-version-update
   - master
   - "/\\d+\\.\\d+\\.?d*\\-*[a-z]*/"
 
@@ -15,7 +15,10 @@ addons:
     - ubuntu-toolchain-r-test
     packages:
     - libstdc++6
-
+  homebrew:
+    packages:
+    - lldb
+    - gdb
 env:
   global:
     secure: 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
@@ -44,7 +47,7 @@ before_install:
 - hash -r;
 - conda config --set always_yes yes --set changeps1 no;
 - conda create -y -q -n test_cq -c cadquery -c conda-forge -c dlr-sc pythonocc-core=0.18.2 python=$TRAVIS_PYTHON_VERSION
-  pyparsing mock;
+  pyparsing mock lldb;
 - source ~/miniconda/bin/activate test_cq;
 - python -c 'import OCC.gp as gp; print(gp.gp_Vec())'
 - pip install codecov
@@ -52,12 +55,21 @@ before_install:
 install:
 - python setup.py install
 
+before_script:
+- ulimit -c unlimited -S 
+- sudo rm -f /cores/core.*
+
 script:
 - coverage run runtests.py
 
 after_success:
 - codecov
 
+after_failure:
+- ls /cores/core.* 
+- lldb --core `ls /cores/core.*` --batch --one-line "bt"
+
+
 before_deploy:
 - conda install anaconda-client conda-build
 - sh conda_build.sh