diff --git a/Formula/s/spidermonkey@115.rb b/Formula/s/spidermonkey@115.rb
index 809001e2d7936..f847a103dbfe8 100644
--- a/Formula/s/spidermonkey@115.rb
+++ b/Formula/s/spidermonkey@115.rb
@@ -1,9 +1,9 @@
 class SpidermonkeyAT115 < Formula
   desc "JavaScript-C Engine"
   homepage "https://spidermonkey.dev"
-  url "https://archive.mozilla.org/pub/firefox/releases/115.22.0esr/source/firefox-115.22.0esr.source.tar.xz"
-  version "115.22.0"
-  sha256 "f57b6507ab1db52183df2aadb1fd81d9f0108b185226d1bac6205b7d7d3005b3"
+  url "https://archive.mozilla.org/pub/firefox/releases/115.23.0esr/source/firefox-115.23.0esr.source.tar.xz"
+  version "115.23.0"
+  sha256 "55d8883e7df92559ec09312cf3f5d747120027b9e4cd161aadf44c9faad91ff7"
   license "MPL-2.0"
 
   # Spidermonkey versions use the same versions as Firefox, so we simply check
@@ -55,6 +55,9 @@ class SpidermonkeyAT115 < Formula
     end
   end
 
+  # Fix to find linker on macos-15, abusing LD_PRINT_OPTIONS is not working
+  patch :DATA
+
   def install
     # Workaround for ICU 76+
     # Issue ref: https://bugzilla.mozilla.org/show_bug.cgi?id=1927380
@@ -110,3 +113,27 @@ def install
     assert_equal "hello", shell_output("#{bin}/js#{version.major} #{path}").strip
   end
 end
+
+__END__
+diff --git a/build/moz.configure/toolchain.configure b/build/moz.configure/toolchain.configure
+index 3f91d71..0133a67 100644
+--- a/build/moz.configure/toolchain.configure
++++ b/build/moz.configure/toolchain.configure
+@@ -1783,7 +1783,16 @@ def select_linker_tmpl(host_or_target):
+                 kind = "ld64"
+ 
+             elif retcode != 0:
+-                return None
++                # macOS 15 fallback: try `-Wl,-v` if --version failed
++                if target.kernel == "Darwin":
++                    fallback_cmd = cmd_base + linker_flag + ["-Wl,-v"]
++                    retcode2, stdout2, stderr2 = get_cmd_output(*fallback_cmd, env=env)
++                    if retcode2 == 0 and "@(#)PROGRAM:ld" in stderr2:
++                        kind = "ld64"
++                    else:
++                        return None
++                else:
++                    return None
+ 
+             elif "mold" in stdout:
+                 kind = "mold"