diff --git a/.platform.app.yaml b/.platform.app.yaml
index 672b246a4c..e2b563bed6 100644
--- a/.platform.app.yaml
+++ b/.platform.app.yaml
@@ -179,6 +179,7 @@ runtime:
         - imagick
         - readline
         - redis
+        - igbinary
         #- apcu
         #- name: 'blackfire'
         #  configuration: