diff --git a/Library/Homebrew/test/utils/bottles/bottles_spec.rb b/Library/Homebrew/test/utils/bottles/bottles_spec.rb
index 57adf15a2f..7af427a399 100644
--- a/Library/Homebrew/test/utils/bottles/bottles_spec.rb
+++ b/Library/Homebrew/test/utils/bottles/bottles_spec.rb
@@ -13,4 +13,44 @@ describe Utils::Bottles do
       end
     end
   end
+
+  describe ".load_tab" do
+    context "when tab_attributes and tabfile are missing" do
+      before do
+        # setup a testball1
+        dep_name = "testball1"
+        dep_path = CoreTap.new.new_formula_path(dep_name)
+        dep_path.write <<~RUBY
+          class #{Formulary.class_s(dep_name)} < Formula
+            url "testball1"
+            version "0.1"
+          end
+        RUBY
+        Formulary.cache.delete(dep_path)
+
+        # setup a testball2, that depends on testball1
+        formula_name = "testball2"
+        formula_path = CoreTap.new.new_formula_path(formula_name)
+        formula_path.write <<~RUBY
+          class #{Formulary.class_s(formula_name)} < Formula
+            url "testball2"
+            version "0.1"
+            depends_on "testball1"
+          end
+        RUBY
+        Formulary.cache.delete(formula_path)
+      end
+
+      it "includes runtime_dependencies" do
+        formula = Formula["testball2"]
+        formula.prefix.mkpath
+
+        runtime_dependencies = described_class.load_tab(formula).runtime_dependencies
+
+        expect(runtime_dependencies).not_to be_nil
+        expect(runtime_dependencies.size).to eq(1)
+        expect(runtime_dependencies.first).to include("full_name" => "testball1")
+      end
+    end
+  end
 end
diff --git a/Library/Homebrew/utils/bottles.rb b/Library/Homebrew/utils/bottles.rb
index 273e9f85e8..9396226729 100644
--- a/Library/Homebrew/utils/bottles.rb
+++ b/Library/Homebrew/utils/bottles.rb
@@ -116,7 +116,14 @@ module Utils
           tab_json = bottle_hash[formula.full_name]["bottle"]["tags"][tag]["tab"].to_json
           Tab.from_file_content(tab_json, tabfile)
         else
-          Tab.for_keg(keg)
+          tab = Tab.for_keg(keg)
+
+          tab.runtime_dependencies = begin
+            f_runtime_deps = formula.runtime_dependencies(read_from_tab: false)
+            Tab.runtime_deps_hash(formula, f_runtime_deps)
+          end
+
+          tab
         end
       end