diff --git a/nix/dev-shell.nix b/nix/dev-shell.nix
index f964c3f50..7414b816f 100644
--- a/nix/dev-shell.nix
+++ b/nix/dev-shell.nix
@@ -1,70 +1,72 @@
 { mkShell
 , stdenv
 , lib
 , amqp-cpp
 , arcanist
 , cargo
 , cmake
 , cryptopp
 , darwin
 , grpc
+, libiconv
 , libuv
 , nodejs-16_x
 , pkg-config
 , protobuf_3_15_cmake
 , python2
 , python3
 , watchman
 , rustfmt
 , yarn
 }:
 
 mkShell {
 
   # programs which are meant to be executed should go here
   nativeBuildInputs = [
     # generic development
     arcanist
 
     # node development
     nodejs-16_x
     yarn
     watchman # react native
     python2
     python3
 
     # native dependencies
     # C/CXX toolchains are already brought in with mkShell
     # Identity Service
     cargo # includes rustc
     rustfmt
 
     # Tunnelbroker + CMake
     amqp-cpp
     cryptopp
     cmake
     libuv
     pkg-config
     protobuf_3_15_cmake
     grpc
 
   ];
 
   # include any libraries buildInputs
   buildInputs = [
     protobuf_3_15_cmake # exposes both a library and a command, thus should appear in both inputs
   ] ++ lib.optionals stdenv.isDarwin (with darwin.apple_sdk.frameworks; [
     CoreFoundation
     CoreServices
     Security
+    libiconv  # identity service
   ]);
 
   # shell commands to be ran upon entering shell
   shellHook = ''
     if [[ "$OSTYPE" == 'linux'* ]]; then
       export MYSQL_UNIX_PORT=''${XDG_RUNTIME_DIR:-/run/user/$UID}/mysql-socket/mysql.sock
     fi
 
     echo "Welcome to Comm dev environment! :)"
   '';
 }