duckdb.gemspec in duckdb-0.0.3 vs duckdb.gemspec in duckdb-0.0.4

@@ -2,10 +2,10 @@
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require "duckdb/version"
 
 Gem::Specification.new do |spec|
   spec.name          = "duckdb"
-  spec.version       = Duckdb::VERSION
+  spec.version       = DuckDB::VERSION
   spec.authors       = ["Masaki Suketa"]
   spec.email         = ["[e-mail]"]
 
   spec.summary       = %q{This module is Ruby binding for DuckDB database engine.}
   spec.description   = %q{This module is Ruby binding for DuckDB database engine.\nYou must have the DuckDB engine installed to build/use this module.}