diff --git a/.travis.yml b/.travis.yml
index d9578bd9..32a0b79a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,7 @@ python:
 env:
   - UNIT_TESTS=true
   - DOC_TESTS=true
+  - CHECK_MANIFEST=true
 matrix:
   allow_failures:
     - python: 2.7
@@ -21,9 +22,12 @@ matrix:
   fast_finish: true
   exclude:
     - env: DOC_TESTS=true
+    - env: CHECK_MANIFEST=true
   include:
     - python: 3.5
       env: DOC_TESTS=true
+    - python: 3.5
+      env: CHECK_MANIFEST=true
 # Cache Dependencies
 cache: pip
 before_install:
@@ -33,18 +37,24 @@ before_install:
   - if [ "$DOC_TESTS" = "true" ]; then
       echo "Running Code Style Tests";
     fi
+  - if [ "$CHECK_MANIFEST" = "true" ]; then
+      echo "Checking Manifest.in";
+    fi
   - printenv
 # command to install dependencies
 install:
   - pip install --upgrade pip
   - if [ "$UNIT_TESTS" = "true" ]; then
       pip install -r requirements.txt;
-      pip install -r tests/requirements.txt;
+      pip install -r colourettu/tests/requirements.txt;
       pip install coveralls;
     fi
   - if [ "$DOC_TESTS" = "true" ]; then
       pip install isort pydocstyle pycodestyle;
     fi
+  - if [ "$CHECK_MANIFEST" = "true" ]; then
+      pip install check-manifest;
+    fi
 before_script:
   - if [ "$UNIT_TESTS" = "true" ]; then
       green --version;
@@ -54,10 +64,13 @@ before_script:
       pydocstyle --version;
       pycodestyle --version;
     fi
+  - if [ "$CHECK_MANIFEST" = "true" ]; then
+      check-manifest --version;
+    fi
 # command to run tests
 script:
   - if [ "$UNIT_TESTS" = "true" ]; then
-      green tests -vvr;
+      green colourettu.tests -vvr;
     fi
   - if [ "$DOC_TESTS" = "true" ]; then
       isort --recursive colourettu --verbose;
@@ -68,6 +81,9 @@ script:
   - if [ "$DOC_TESTS" = "true" ]; then
       pycodestyle colourettu;
     fi
+  - if [ "$CHECK_MANIFEST" = "true" ]; then
+      check-manifest -v;
+    fi
 after_success:
   - if [ "$UNIT_TESTS" = "true" ]; then
       coveralls;
diff --git a/MANIFEST.in b/MANIFEST.in
index 0e36cee2..568cda5e 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,15 @@
-include requirements.txt
+include *.py
+include *.txt
 include *.rst
 include LICENSE
+include tests
+recursive-include colourettu *.txt
+recursive-include docs *.bat
+recursive-include docs *.ico
+recursive-include docs *.png
+recursive-include docs *.txt
+recursive-include docs *.rst
+recursive-include docs *.py
+recursive-include tests *.py
+recursive-include tests *.txt
+prune docs/_build
diff --git a/setup.cfg b/setup.cfg
index be72b612..6ea5fce9 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -9,3 +9,8 @@ universal = 1
 [isort]
 known_first_party = colourettu
 not_skip = __init__.py
+
+[check-manifest]
+ignore =
+  .editorconfig
+  make_release.py