diff --git a/lib/ruby_wasm/packager.rb b/lib/ruby_wasm/packager.rb
index 1a0372bea1..9b354118fd 100644
--- a/lib/ruby_wasm/packager.rb
+++ b/lib/ruby_wasm/packager.rb
@@ -68,7 +68,7 @@ def ruby_core_build
   # Retrieves the specs from the Bundler definition, excluding the excluded gems.
   def specs
     return [] unless @definition
-    @specs ||= @definition.resolve.materialize(@definition.requested_dependencies)
+    __skip__ = @specs ||= @definition.resolve.materialize(@definition.requested_dependencies)
       .reject { |spec| EXCLUDED_GEMS.include?(spec.name) }
       .reject { |spec| spec.is_a?(Bundler::LazySpecification) }
     @specs
diff --git a/sig/ruby_wasm/packager.rbs b/sig/ruby_wasm/packager.rbs
index a9e72c2e4d..04ba027d77 100644
--- a/sig/ruby_wasm/packager.rbs
+++ b/sig/ruby_wasm/packager.rbs
@@ -46,7 +46,7 @@ class RubyWasm::Packager
 
   def root: () -> string
 
-  ALL_DEFAULT_EXTS: string
+  ALL_DEFAULT_EXTS: String
 
   def build_options: () -> Hash[Symbol, untyped]
   def full_build_options: () -> Hash[Symbol, untyped]