diff --git a/Library/Homebrew/test/download_strategies_spec.rb b/Library/Homebrew/test/download_strategies_spec.rb
index b6e9e34d66..e91a9eb34b 100644
--- a/Library/Homebrew/test/download_strategies_spec.rb
+++ b/Library/Homebrew/test/download_strategies_spec.rb
@@ -5,7 +5,7 @@ describe AbstractDownloadStrategy do
 
   let(:specs) { {} }
   let(:name) { "foo" }
-  let(:url) { "http://example.com/foo.tar.gz" }
+  let(:url) { "https://example.com/foo.tar.gz" }
   let(:version) { nil }
   let(:args) { %w[foo bar baz] }
 
@@ -34,7 +34,7 @@ describe AbstractDownloadStrategy do
 end
 
 describe VCSDownloadStrategy do
-  let(:url) { "http://example.com/bar" }
+  let(:url) { "https://example.com/bar" }
   let(:version) { nil }
 
   describe "#cached_location" do
@@ -204,14 +204,14 @@ describe S3DownloadStrategy do
   subject { described_class.new(url, name, version) }
 
   let(:name) { "foo" }
-  let(:url) { "http://bucket.s3.amazonaws.com/foo.tar.gz" }
+  let(:url) { "https://bucket.s3.amazonaws.com/foo.tar.gz" }
   let(:version) { nil }
 
   describe "#_fetch" do
     subject { described_class.new(url, name, version)._fetch }
 
     context "when given Bad S3 URL" do
-      let(:url) { "http://example.com/foo.tar.gz" }
+      let(:url) { "https://example.com/foo.tar.gz" }
 
       it "raises Bad S3 URL error" do
         expect {
@@ -226,7 +226,7 @@ describe CurlDownloadStrategy do
   subject { described_class.new(url, name, version, **specs) }
 
   let(:name) { "foo" }
-  let(:url) { "http://example.com/foo.tar.gz" }
+  let(:url) { "https://example.com/foo.tar.gz" }
   let(:version) { "1.2.3" }
   let(:specs) { { user: "download:123456" } }
 
@@ -242,7 +242,7 @@ describe CurlDownloadStrategy do
     end
 
     context "when URL file is in middle" do
-      let(:url) { "http://example.com/foo.tar.gz/from/this/mirror" }
+      let(:url) { "https://example.com/foo.tar.gz/from/this/mirror" }
 
       it { is_expected.to eq(HOMEBREW_CACHE/"foo--1.2.3.tar.gz") }
     end
@@ -312,11 +312,11 @@ describe CurlDownloadStrategy do
     end
 
     context "with referer set" do
-      let(:specs) { { referer: "http://somehost/also" } }
+      let(:specs) { { referer: "https://somehost/also" } }
 
       it "adds the appropriate curl args" do
         expect(subject).to receive(:system_command!) { |*, args:, **|
-          expect(args.each_cons(2)).to include(["-e", "http://somehost/also"])
+          expect(args.each_cons(2)).to include(["-e", "https://somehost/also"])
         }
 
         subject.fetch
@@ -326,22 +326,22 @@ describe CurlDownloadStrategy do
 
   describe "#cached_location" do
     context "with a file name trailing the URL path" do
-      let(:url) { "http://example.com/cask.dmg" }
+      let(:url) { "https://example.com/cask.dmg" }
       its("cached_location.extname") { is_expected.to eq(".dmg") }
     end
 
     context "with no discernible file name in it" do
-      let(:url) { "http://example.com/download" }
+      let(:url) { "https://example.com/download" }
       its("cached_location.basename.to_path") { is_expected.to eq("foo--1.2.3") }
     end
 
     context "with a file name trailing the first query parameter" do
-      let(:url) { "http://example.com/download?file=cask.zip&a=1" }
+      let(:url) { "https://example.com/download?file=cask.zip&a=1" }
       its("cached_location.extname") { is_expected.to eq(".zip") }
     end
 
     context "with a file name trailing the second query parameter" do
-      let(:url) { "http://example.com/dl?a=1&file=cask.zip&b=2" }
+      let(:url) { "https://example.com/dl?a=1&file=cask.zip&b=2" }
       its("cached_location.extname") { is_expected.to eq(".zip") }
     end
 
@@ -374,7 +374,7 @@ describe CurlPostDownloadStrategy do
   subject { described_class.new(url, name, version, **specs) }
 
   let(:name) { "foo" }
-  let(:url) { "http://example.com/foo.tar.gz" }
+  let(:url) { "https://example.com/foo.tar.gz" }
   let(:version) { "1.2.3" }
   let(:specs) { {} }
 
@@ -426,7 +426,7 @@ describe ScpDownloadStrategy do
 
   describe "#initialize" do
     invalid_urls = %w[
-      http://example.com/foo.tar.gz
+      https://example.com/foo.tar.gz
       scp://@example.com/foo.tar.gz
       scp://example.com:/foo.tar.gz
       scp://example.com
@@ -502,7 +502,7 @@ describe SubversionDownloadStrategy do
   subject { described_class.new(url, name, version, **specs) }
 
   let(:name) { "foo" }
-  let(:url) { "http://example.com/foo.tar.gz" }
+  let(:url) { "https://example.com/foo.tar.gz" }
   let(:version) { "1.2.3" }
   let(:specs) { {} }