diff --git a/pkgs/development/libraries/nspr/default.nix b/pkgs/development/libraries/nspr/default.nix
index 7aa0b485bed..7d8877c79ad 100644
--- a/pkgs/development/libraries/nspr/default.nix
+++ b/pkgs/development/libraries/nspr/default.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   passthru.tests = {
-    inherit (nixosTests) firefox firefox-esr-91 firefox-esr-102;
+    inherit (nixosTests) firefox firefox-esr-102 firefox-esr-115;
   };
 
   meta = with lib; {