diff --git a/.travis.yml b/.travis.yml
index 03f4b5d..e7e847e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,4 +26,4 @@ install:
 script:
   - |
     php -S localhost:8080 -t web > /dev/null 2>&1 &
-    composer exec codecept run
\ No newline at end of file
+    vendor/bin/codecept run
\ No newline at end of file
diff --git a/README.md b/README.md
index c398b58..6f6d0a1 100644
--- a/README.md
+++ b/README.md
@@ -116,7 +116,7 @@ By default there are 3 test suites:
 Tests can be executed by running
 
 ```
-composer exec codecept run
+vendor/bin/codecept run
 ``` 
 
 The command above will execute unit and functional tests. Unit tests are testing the system components, while functional
@@ -164,13 +164,13 @@ To execute acceptance tests do the following:
 
    ```
    # run all available tests
-   composer exec codecept run
+   vendor/bin/codecept run
 
    # run acceptance tests
-   composer exec codecept run acceptance
+   vendor/bin/codecept run acceptance
 
    # run only unit and functional tests
-   composer exec codecept run unit,functional
+   vendor/bin/codecept run unit,functional
    ```
 
 ### Code coverage support
@@ -180,13 +180,13 @@ to collect code coverage. You can run your tests and collect coverage with the f
 
 ```
 #collect coverage for all tests
-composer exec codecept run -- --coverage-html --coverage-xml
+vendor/bin/codecept run -- --coverage-html --coverage-xml
 
 #collect coverage only for unit tests
-composer exec codecept run unit -- --coverage-html --coverage-xml
+vendor/bin/codecept run unit -- --coverage-html --coverage-xml
 
 #collect coverage for unit and functional tests
-composer exec codecept run functional,unit -- --coverage-html --coverage-xml
+vendor/bin/codecept run functional,unit -- --coverage-html --coverage-xml
 ```
 
 You can see code coverage output under the `tests/_output` directory.