Steepfile in rbs_rails-0.2.0 vs Steepfile in rbs_rails-0.3.0

@@ -3,7 +3,9 @@
   signature 'assets/sig'
 
   check "lib"                       # Directory name
 
   library "pathname"
+  library "logger"
+  library "mutex_m"
   # library "strong_json"           # Gems
 end