diff --git a/Gemfile.lock b/Gemfile.lock
index e7375b63..767a90fa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
     eventmachine (1.2.7)
     execjs (2.7.0)
     exifr (1.3.6)
-    ffi (1.12.2)
+    ffi (1.15.5)
     fspath (3.1.2)
     highline (2.0.3)
     html-pipeline (2.12.0)