diff --git a/pkgs/applications/networking/browsers/tor-browser-bundle-bin/default.nix b/pkgs/applications/networking/browsers/tor-browser-bundle-bin/default.nix
index cb2322551add..21e86a160cf2 100644
--- a/pkgs/applications/networking/browsers/tor-browser-bundle-bin/default.nix
+++ b/pkgs/applications/networking/browsers/tor-browser-bundle-bin/default.nix
@@ -96,6 +96,7 @@ let
       urls = [
         "https://dist.torproject.org/torbrowser/${version}/tor-browser-linux64-${version}_${lang}.tar.xz"
         "https://tor.eff.org/dist/torbrowser/${version}/tor-browser-linux64-${version}_${lang}.tar.xz"
+        "https://tor.calyxinstitute.org/dist/torbrowser/${version}/tor-browser-linux64-${version}_${lang}.tar.xz"
       ];
       sha256 = "03c3l720x4c6mfq56fyqspc5sxw0mz1ph48l5wph06dzw8wd5cfz";
     };
@@ -104,6 +105,7 @@ let
       urls = [
         "https://dist.torproject.org/torbrowser/${version}/tor-browser-linux32-${version}_${lang}.tar.xz"
         "https://tor.eff.org/dist/torbrowser/${version}/tor-browser-linux32-${version}_${lang}.tar.xz"
+        "https://tor.calyxinstitute.org/dist/torbrowser/${version}/tor-browser-linux32-${version}_${lang}.tar.xz"
       ];
       sha256 = "0llg1nl7x7y4kp0hr3bbhdfggaf8praizkvcpp88x2i2zc9sp5mx";
     };