diff --git a/nix/racket2nix-test.rkt b/nix/racket2nix-test.rkt
index 6d40b09..a53e287 100755
--- a/nix/racket2nix-test.rkt
+++ b/nix/racket2nix-test.rkt
@@ -6,9 +6,9 @@
 
 (define suite (begin
   (test-suite "racket2nix"
-    (test-equal? "github-url->git-url turns github://.*/branch into git://.*#branch"
+    (test-equal? "github-url->git-url turns github://.*/branch into https://.*#branch"
                  (github-url->git-url "github://github.com/mordae/racket-systemd/master")
-                 "git://github.com/mordae/racket-systemd.git#master")
+                 "https://github.com/mordae/racket-systemd.git#master")
     (test-not-false "github-url? detects github:// URL"
                  (github-url? "github://github.com/mordae/racket-systemd/master"))
     (test-equal? "url-fallback-rev->url-rev-path tolerates github:// with trailing slash"
@@ -18,7 +18,7 @@
                        "github://github.com/stchang/parsack/master/"
                        "b45f0f5ed5f8dd3f1ccebaaec3204b27032843c6")])
                    url)
-                 "git://github.com/stchang/parsack.git")
+                 "https://github.com/stchang/parsack.git")
     (test-equal? "github-url->git-url puts the .git in the right place when path query and no trailing slash"
-                 (github-url->git-url "git://github.com/rmculpepper/binaryio?path=binaryio")
-                 "git://github.com/rmculpepper/binaryio.git?path=binaryio"))))
+                 (github-url->git-url "https://github.com/rmculpepper/binaryio?path=binaryio")
+                 "https://github.com/rmculpepper/binaryio.git?path=binaryio"))))