diff --git a/.travis.yml b/.travis.yml
index 597577b6..65557eb7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,14 +12,14 @@ branches:
 
 matrix:
   include:
-#    - php: 7.3
-#      env: "DOCKER_MYSQL_TYPE=mysql DOCKER_MYSQL_VERSION=5.6"
-#    - php: 7.3
-#      env: "DOCKER_MYSQL_TYPE=mysql DOCKER_MYSQL_VERSION=5.7"
-#    - php: 7.3
-#      env: "DOCKER_MYSQL_TYPE=mysql DOCKER_MYSQL_VERSION=8.0"
-#    - php: 7.3
-#      env: "DOCKER_MYSQL_TYPE=mariadb DOCKER_MYSQL_VERSION=10.3"
+    - php: 7.3
+      env: "DOCKER_MYSQL_TYPE=mysql DOCKER_MYSQL_VERSION=5.6"
+    - php: 7.3
+      env: "DOCKER_MYSQL_TYPE=mysql DOCKER_MYSQL_VERSION=5.7"
+    - php: 7.3
+      env: "DOCKER_MYSQL_TYPE=mysql DOCKER_MYSQL_VERSION=8.0"
+    - php: 7.3
+      env: "DOCKER_MYSQL_TYPE=mariadb DOCKER_MYSQL_VERSION=10.3"
     - php: 7.3
       env: "DOCKER_MYSQL_TYPE=mariadb DOCKER_MYSQL_VERSION=10.4"