diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4539b12..9a87522 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -37,7 +37,7 @@ jobs:
             # fallback to using the latest cache if no exact match is found
             - v1-dependencies-
 
-      - run: composer install
+      - run: composer install --ignore-platform-reqs
 
       - save_cache:
           key: v1-dependencies-{{ checksum "composer.json" }}