diff --git a/Library/Homebrew/extend/ENV.rb b/Library/Homebrew/extend/ENV.rb
index 2b1182f71d..dd3145954a 100644
--- a/Library/Homebrew/extend/ENV.rb
+++ b/Library/Homebrew/extend/ENV.rb
@@ -33,11 +33,12 @@ module EnvActivation
 
   sig {
     params(
-      env:          T.nilable(String),
-      cc:           T.nilable(String),
-      build_bottle: T::Boolean,
-      bottle_arch:  T.nilable(String),
-      _block:       T.proc.returns(T.untyped),
+      env:           T.nilable(String),
+      cc:            T.nilable(String),
+      build_bottle:  T::Boolean,
+      bottle_arch:   T.nilable(String),
+      debug_symbols: T.nilable(T::Boolean),
+      _block:        T.proc.returns(T.untyped),
     ).returns(T.untyped)
   }
   def with_build_environment(
diff --git a/Library/Homebrew/extend/ENV/std.rb b/Library/Homebrew/extend/ENV/std.rb
index fb3cc6d570..a1ee227f2f 100644
--- a/Library/Homebrew/extend/ENV/std.rb
+++ b/Library/Homebrew/extend/ENV/std.rb
@@ -21,6 +21,7 @@ module Stdenv
       build_bottle:    T.nilable(T::Boolean),
       bottle_arch:     T.nilable(String),
       testing_formula: T::Boolean,
+      debug_symbols:   T.nilable(T::Boolean),
     ).void
   }
   def setup_build_environment(
diff --git a/Library/Homebrew/extend/ENV/super.rb b/Library/Homebrew/extend/ENV/super.rb
index e95f0d2997..619f6bb02f 100644
--- a/Library/Homebrew/extend/ENV/super.rb
+++ b/Library/Homebrew/extend/ENV/super.rb
@@ -55,6 +55,7 @@ module Superenv
       build_bottle:    T.nilable(T::Boolean),
       bottle_arch:     T.nilable(String),
       testing_formula: T::Boolean,
+      debug_symbols:   T.nilable(T::Boolean),
     ).void
   }
   def setup_build_environment(