diff --git a/pkgs/development/libraries/libxcrypt/default.nix b/pkgs/development/libraries/libxcrypt/default.nix
new file mode 100644
index 00000000000..4df5bde2287
--- /dev/null
+++ b/pkgs/development/libraries/libxcrypt/default.nix
@@ -0,0 +1,30 @@
+{ lib, stdenv, fetchFromGitHub, autoconf, automake, libtool, pkg-config, perl }:
+
+stdenv.mkDerivation rec {
+  pname = "libxcrypt";
+  version = "4.4.18";
+
+  src = fetchFromGitHub {
+    owner = "besser82";
+    repo = "libxcrypt";
+    rev = "v${version}";
+    sha256 = "4015bf1b3a2aab31da5a544424be36c1a0f0ffc1eaa219c0e7b048e4cdcbbfe1";
+  };
+
+  preConfigure = ''
+    patchShebangs autogen.sh
+    ./autogen.sh
+  '';
+
+  nativeBuildInputs = [ autoconf automake libtool pkg-config perl ];
+
+  doCheck = true;
+
+  meta = with lib; {
+    description = "Extended crypt library for descrypt, md5crypt, bcrypt, and others";
+    homepage = "https://github.com/besser82/libxcrypt/";
+    platforms = platforms.all;
+    maintainers = with maintainers; [ dottedmag ];
+    license = licenses.lgpl21Plus;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 78aa21f044f..e42ed1a0a00 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15778,6 +15778,8 @@ in
 
   libx86 = callPackage ../development/libraries/libx86 {};
 
+  libxcrypt = callPackage ../development/libraries/libxcrypt { };
+
   libxdg_basedir = callPackage ../development/libraries/libxdg-basedir { };
 
   libxkbcommon = libxkbcommon_8;