diff --git a/.circleci/config.yml b/.circleci/config.yml
index 490abe9..5c136e4 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -9,6 +9,8 @@ workflows:
       - test-7.0
       - test-7.1
       - test-7.2
+      - test-7.3
+      - test-7.4
 
 jobs:
   test-5.6: &test-template
@@ -55,6 +57,16 @@ jobs:
     docker:
       - image: php:7.2-alpine
 
+  test-7.3:
+    <<: *test-template
+    docker:
+      - image: php:7.3-alpine
+
+  test-7.4:
+    <<: *test-template
+    docker:
+      - image: php:7.4-alpine
+
   test-code-quality:
     machine:
       enabled: true