diff --git a/Library/Homebrew/sorbet/rbi/gems/msgpack@1.7.1.rbi b/Library/Homebrew/sorbet/rbi/gems/msgpack@1.7.2.rbi
similarity index 94%
rename from Library/Homebrew/sorbet/rbi/gems/msgpack@1.7.1.rbi
rename to Library/Homebrew/sorbet/rbi/gems/msgpack@1.7.2.rbi
index 0a97ecdb33..1e1d1640ad 100644
--- a/Library/Homebrew/sorbet/rbi/gems/msgpack@1.7.1.rbi
+++ b/Library/Homebrew/sorbet/rbi/gems/msgpack@1.7.2.rbi
@@ -91,6 +91,7 @@ class MessagePack::Factory
   def load(src, param = T.unsafe(nil)); end
   def pack(v, *rest); end
   def pool(size = T.unsafe(nil), **options); end
+  def register_type(type, klass, options = T.unsafe(nil)); end
   def registered_types(selector = T.unsafe(nil)); end
   def type_registered?(klass_or_type, selector = T.unsafe(nil)); end
   def unpack(src, param = T.unsafe(nil)); end
@@ -111,7 +112,10 @@ class MessagePack::Factory::Pool::MemberPool
   def with; end
 end
 
+class MessagePack::HeldBuffer < ::BasicObject; end
+
 class MessagePack::Packer
+  def register_type(type, klass, method_name = T.unsafe(nil), &block); end
   def registered_types; end
   def type_registered?(klass_or_type); end
 end
@@ -144,6 +148,7 @@ class MessagePack::UnexpectedTypeError < ::MessagePack::UnpackError
 end
 
 class MessagePack::Unpacker
+  def register_type(type, klass = T.unsafe(nil), method_name = T.unsafe(nil), &block); end
   def registered_types; end
   def type_registered?(klass_or_type); end
 end
diff --git a/Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi b/Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi
index 77949f7edb..ede6f3c192 100644
--- a/Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi
+++ b/Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi
@@ -4709,6 +4709,8 @@ class Mechanize::HTTP
 end
 
 class MessagePack::Packer
+  def register_type_internal(arg, arg1, arg2); end
+
   def reset(); end
 
   def write_bin(arg); end