diff --git a/pkgs/development/compilers/fstar/default.nix b/pkgs/development/compilers/fstar/default.nix
new file mode 100644
index 000000000000..e6fe97c6fe8f
--- /dev/null
+++ b/pkgs/development/compilers/fstar/default.nix
@@ -0,0 +1,78 @@
+{ stdenv, fetchFromGitHub, mono, fsharp, dotnetPackages, z3, ocamlPackages, openssl, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  name = "fstar-${version}";
+  version = "2016-01-12";
+
+  src = fetchFromGitHub {
+    owner = "FStarLang";
+    repo = "FStar";
+    rev = "af9a231566ca52c9bc3409398c801ae9e8191cfa";
+    sha256 = "1zri4gqr6j6hygnh0ckfhq93mqwk9i19vng8chnmvlr27zq734a2";
+  };
+
+  buildInputs = with ocamlPackages; [
+    mono fsharp z3 dotnetPackages.FsLexYacc ocaml findlib ocaml_batteries openssl makeWrapper
+  ];
+
+  preBuild = ''
+    substituteInPlace src/Makefile --replace "\$(RUNTIME) VS/.nuget/NuGet.exe" "true"
+
+    source setenv.sh
+  '';
+
+  makeFlags = [
+    "FSYACC=${dotnetPackages.FsLexYacc}/bin/fsyacc"
+    "FSLEX=${dotnetPackages.FsLexYacc}/bin/fslex"
+    "NUGET=true"
+    "PREFIX=$(out)"
+  ];
+
+  buildFlags = "-C src";
+
+  # Now that the .NET fstar.exe is built, use it to build the native OCaml binary
+  postBuild = ''
+    patchShebangs bin/fstar.exe
+
+    # Workaround for fsharp/fsharp#419
+    cp ${fsharp}/lib/mono/4.5/FSharp.Core.dll bin/
+
+    # Use the built .NET binary to extract the sources of itself from F* to OCaml
+    make ''${enableParallelBuilding:+-j''${NIX_BUILD_CORES} -l''${NIX_BUILD_CORES}} \
+        $makeFlags "''${makeFlagsArray[@]}" \
+        ocaml -C src
+
+    # Build the extracted OCaml sources
+    make ''${enableParallelBuilding:+-j''${NIX_BUILD_CORES} -l''${NIX_BUILD_CORES}} \
+        $makeFlags "''${makeFlagsArray[@]}" \
+        -C src/ocaml-output
+  '';
+
+  doCheck = true;
+
+  preCheck = "ulimit -s unlimited";
+
+  # Basic test suite:
+  #checkFlags = "VERBOSE=y -C examples";
+
+  # Complete, but heavyweight test suite:
+  checkTarget = "regressions";
+  checkFlags = "VERBOSE=y -C src";
+
+  installFlags = "-C src/ocaml-output";
+
+  postInstall = ''
+    # Workaround for FStarLang/FStar#456
+    mv $out/lib/fstar/* $out/lib/
+    rmdir $out/lib/fstar
+
+    wrapProgram $out/bin/fstar.exe --prefix PATH ":" "${z3}/bin"
+  '';
+
+  meta = with stdenv.lib; {
+    description = "ML-like functional programming language aimed at program verification";
+    homepage = "https://www.fstar-lang.org";
+    license = licenses.asl20;
+    platforms = with platforms; linux;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a14986b6b311..5e5be73ea745 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4180,6 +4180,10 @@ let
 
   fsharp = callPackage ../development/compilers/fsharp {};
 
+  fstar = callPackage ../development/compilers/fstar {
+    ocamlPackages = ocamlPackages_4_02;
+  };
+
   dotnetPackages = recurseIntoAttrs (callPackage ./dotnet-packages.nix {});
 
   go_1_4 = callPackage ../development/compilers/go/1.4.nix {
diff --git a/pkgs/top-level/dotnet-packages.nix b/pkgs/top-level/dotnet-packages.nix
index b66a37c69351..a1c54074622e 100644
--- a/pkgs/top-level/dotnet-packages.nix
+++ b/pkgs/top-level/dotnet-packages.nix
@@ -67,6 +67,13 @@ let self = dotnetPackages // overrides; dotnetPackages = with self; {
     outputFiles = [ "lib/net45/*" ];
   };
 
+  FsLexYacc = fetchNuGet {
+    baseName = "FsLexYacc";
+    version = "6.1.0";
+    sha256 = "1v5myn62zqs431i046gscqw2v0c969fc7pdplx7z9cnpy0p2s4rv";
+    outputFiles = [ "build/*" ];
+  };
+
   FsPickler = fetchNuGet {
     baseName = "FsPickler";
     version = "1.2.9";