diff --git a/pkgs/by-name/ld/ld64/package.nix b/pkgs/by-name/ld/ld64/package.nix
index f6a1dfc2cdf8..6ecbc20da105 100644
--- a/pkgs/by-name/ld/ld64/package.nix
+++ b/pkgs/by-name/ld/ld64/package.nix
@@ -73,6 +73,10 @@ stdenv.mkDerivation (finalAttrs: {
     ./patches/0016-Add-dyldinfo-to-the-ld64-build.patch
     ./patches/0017-Fix-dyldinfo-build.patch
     ./patches/0018-Use-STL-containers-instead-of-LLVM-containers.patch
+
+    # Fix zippered versions on macOS 26+. Part of upstream ld64-956.6. Remove on next version bump.
+    # https://github.com/apple-oss-distributions/ld64/commit/1a4389663d65d6630e4b3e31ace2a86b6183b452
+    ./patches/0019-Fix-zippered-versions-macos-26.patch
   ];
 
   prePatch = ''
diff --git a/pkgs/by-name/ld/ld64/patches/0019-Fix-zippered-versions-macos-26.patch b/pkgs/by-name/ld/ld64/patches/0019-Fix-zippered-versions-macos-26.patch
new file mode 100644
index 000000000000..06f5ce310272
--- /dev/null
+++ b/pkgs/by-name/ld/ld64/patches/0019-Fix-zippered-versions-macos-26.patch
@@ -0,0 +1,13 @@
+diff --git a/src/ld/Options.cpp b/src/ld/Options.cpp
+--- a/src/ld/Options.cpp
++++ b/src/ld/Options.cpp
+@@ -4882,7 +4885,8 @@ void Options::reconfigureDefaults()
+ 		uint32_t iOSMacOSMajorVersion = (iOSMacVersion >> 16) & 0xFFFF;
+ 
+ 		// macOS 11 -> iOSMac 14, and so on
+-		uint32_t newMajorVersion = macOSMajorVersion + 3;
++		uint32_t newMajorVersion = macOSMajorVersion < 26 ? macOSMajorVersion + 3 : macOSMajorVersion;
++		// rdar://154107557 (ld64 fix handling of zippered versions for macOS 26+)
+ 		if ( newMajorVersion > iOSMacOSMajorVersion ) {
+ 			uint32_t newVersion = newMajorVersion << 16;
+ 			std::string oldVersionString = getVersionString32(iOSMacVersion);