Gemfile.lock in fastly-8.2.0 vs Gemfile.lock in fastly-8.4.0

@@ -1,19 +1,20 @@
 PATH
   remote: .
   specs:
-    fastly (8.2.0)
+    fastly (8.4.0)
       typhoeus (~> 1.0, >= 1.0.1)
 
 GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.2)
     byebug (11.1.3)
     coderay (1.1.3)
     ethon (0.16.0)
       ffi (>= 1.15.0)
-    ffi (1.16.3)
+    ffi (1.17.0-arm64-darwin)
+    ffi (1.17.0-x86_64-linux-gnu)
     jaro_winkler (1.5.4)
     method_source (1.0.0)
     parallel (1.21.0)
     parser (3.1.0.0)
       ast (~> 2.4.1)