diff --git a/Library/Homebrew/dependency_collector.rb b/Library/Homebrew/dependency_collector.rb
index ae039e887a..aee6fb15ab 100644
--- a/Library/Homebrew/dependency_collector.rb
+++ b/Library/Homebrew/dependency_collector.rb
@@ -45,7 +45,7 @@ class DependencyCollector
   end
 
   def cache_key(spec)
-    if spec.is_a?(Resource) && spec.download_strategy == CurlDownloadStrategy
+    if spec.is_a?(Resource) && spec.download_strategy <= CurlDownloadStrategy
       File.extname(spec.url)
     else
       spec
@@ -148,7 +148,7 @@ class DependencyCollector
     strategy = spec.download_strategy
 
     if strategy <= HomebrewCurlDownloadStrategy
-      brewed_curl_dep_if_needed(tags)
+      @deps << brewed_curl_dep_if_needed(tags)
       parse_url_spec(spec.url, tags)
     elsif strategy <= CurlDownloadStrategy
       parse_url_spec(spec.url, tags)
diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index ffdeed7af5..451f779b37 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -215,6 +215,7 @@ class FormulaInstaller
     forbidden_license_check
 
     check_install_sanity
+    install_fetch_deps unless ignore_deps?
   end
 
   sig { void }
@@ -343,6 +344,19 @@ class FormulaInstaller
           "#{formula.full_name} requires the latest version of pinned dependencies"
   end
 
+  sig { void }
+  def install_fetch_deps
+    return if @compute_dependencies.blank?
+
+    compute_dependencies(use_cache: false) if @compute_dependencies.any? do |dep, options|
+      next false unless dep.tags == [:build, :test]
+
+      fetch_dependencies
+      install_dependency(dep, options)
+      true
+    end
+  end
+
   def build_bottle_preinstall
     @etc_var_dirs ||= [HOMEBREW_PREFIX/"etc", HOMEBREW_PREFIX/"var"]
     @etc_var_preinstall = Find.find(*@etc_var_dirs.select(&:directory?)).to_a