diff --git a/.travis.yml b/.travis.yml
index d9c478b5871..67813028b6f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,11 +10,11 @@ cache:
 
 # Test main supported versions of PHP against latest WP.
 php:
-#  - 5.6
-#  - 7.0
-#  - 7.1
+  - 5.6
+  - 7.0
+  - 7.1
   - 7.2
-#  - 7.3
+  - 7.3
 
 env:
   - WP_VERSION=latest WP_MULTISITE=0
@@ -24,9 +24,9 @@ env:
 matrix:
   fast_finish: true
   include:
-#  - name: "Coding standard check"
-#    php: 7.2
-#    env: WP_VERSION=latest WP_MULTISITE=0 RUN_PHPCS=1
+  - name: "Coding standard check"
+    php: 7.2
+    env: WP_VERSION=latest WP_MULTISITE=0 RUN_PHPCS=1
   - name: "e2e tests"
     php: 7.2
     env: WP_VERSION=latest WP_MULTISITE=0 RUN_E2E=1
@@ -35,15 +35,15 @@ matrix:
       apt:
         packages:
           - nginx
-#  - name: "Unit tests code coverage"
-#    php: 7.3
-#    env: WP_VERSION=latest WP_MULTISITE=0 RUN_CODE_COVERAGE=1
-#  - name: "WooCommerce unit tests using WordPress nightly"
-#    php: 7.3
-#    env: WP_VERSION=nightly WP_MULTISITE=0
-#  allow_failures:
-#  - php: 7.3
-#    env: WP_VERSION=latest WP_MULTISITE=0 RUN_CODE_COVERAGE=1
+  - name: "Unit tests code coverage"
+    php: 7.3
+    env: WP_VERSION=latest WP_MULTISITE=0 RUN_CODE_COVERAGE=1
+  - name: "WooCommerce unit tests using WordPress nightly"
+    php: 7.3
+    env: WP_VERSION=nightly WP_MULTISITE=0
+  allow_failures:
+  - php: 7.3
+    env: WP_VERSION=latest WP_MULTISITE=0 RUN_CODE_COVERAGE=1
 
 before_script:
   - export PATH="$HOME/.composer/vendor/bin:$PATH"