diff --git a/pkgs/development/compilers/ghc/9.6.6-debian-binary.nix b/pkgs/development/compilers/ghc/9.6.6-debian-binary.nix
index 959fd82ff601..9fd4ad8ca1d4 100644
--- a/pkgs/development/compilers/ghc/9.6.6-debian-binary.nix
+++ b/pkgs/development/compilers/ghc/9.6.6-debian-binary.nix
@@ -27,6 +27,32 @@ let
   # GHC upstream doesn't release bindist tarballs for some platforms.
   # We're using Debian's binary package, and patching it into a usable-in-Nixpkgs state.
   ghcDebs = {
+    loongarch64-linux = {
+      toolPrefix = "loongarch64-linux-gnu-";
+      src = {
+        url = "http://ftp.ports.debian.org/debian-ports/pool-loong64/main/g/ghc/ghc_9.6.6-4+b1_loong64.deb";
+        sha256 = "f14b5e3c8e6bd233b5be8e72c369fea0644f2a804d7636f930c05b4abf77d57f";
+      };
+      exePathForLibraryCheck = null;
+      archSpecificLibraries = [
+        {
+          nixPackage = gmp;
+          fileToCheckFor = null;
+        }
+        {
+          nixPackage = ncurses6;
+          fileToCheckFor = "libtinfo.so.6";
+        }
+        {
+          nixPackage = numactl;
+          fileToCheckFor = null;
+        }
+        {
+          nixPackage = libffi;
+          fileToCheckFor = null;
+        }
+      ];
+    };
     powerpc64-linux = {
       toolPrefix = "powerpc64-linux-gnu-";
       src = {
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index a7603825fd28..be3b1b29e884 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -123,6 +123,8 @@ in
             bb.packages.ghc966DebianBinary
           else if stdenv.buildPlatform.isRiscV64 then
             bb.packages.ghc966DebianBinary
+          else if stdenv.buildPlatform.isLoongArch64 then
+            bb.packages.ghc966DebianBinary
           else
             bb.packages.ghc948;
         inherit (buildPackages.python3Packages) sphinx;
@@ -140,6 +142,8 @@ in
             bb.packages.ghc966DebianBinary
           else if stdenv.buildPlatform.isRiscV64 then
             bb.packages.ghc966DebianBinary
+          else if stdenv.buildPlatform.isLoongArch64 then
+            bb.packages.ghc966DebianBinary
           else if stdenv.buildPlatform.isi686 then
             bb.packages.ghc948
           else
@@ -159,6 +163,8 @@ in
             bb.packages.ghc966DebianBinary
           else if stdenv.buildPlatform.isRiscV64 then
             bb.packages.ghc966DebianBinary
+          else if stdenv.buildPlatform.isLoongArch64 then
+            bb.packages.ghc966DebianBinary
           else if stdenv.buildPlatform.isi686 then
             bb.packages.ghc967
           else