diff --git a/pkgs/development/ruby-modules/solargraph/Gemfile b/pkgs/development/ruby-modules/solargraph/Gemfile
new file mode 100644
index 000000000000..fa41b7c1d216
--- /dev/null
+++ b/pkgs/development/ruby-modules/solargraph/Gemfile
@@ -0,0 +1,3 @@
+source 'https://rubygems.org' do
+  gem 'solargraph'
+end
diff --git a/pkgs/development/ruby-modules/solargraph/Gemfile.lock b/pkgs/development/ruby-modules/solargraph/Gemfile.lock
new file mode 100644
index 000000000000..e87f65d02ad5
--- /dev/null
+++ b/pkgs/development/ruby-modules/solargraph/Gemfile.lock
@@ -0,0 +1,50 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    ast (2.4.0)
+    coderay (1.1.2)
+    eventmachine (1.2.7)
+    htmlentities (4.3.4)
+    kramdown (1.16.2)
+    mini_portile2 (2.3.0)
+    nokogiri (1.8.2)
+      mini_portile2 (~> 2.3.0)
+    parallel (1.12.1)
+    parser (2.5.1.0)
+      ast (~> 2.4.0)
+    powerpack (0.1.1)
+    rainbow (3.0.0)
+    reverse_markdown (1.1.0)
+      nokogiri
+    rubocop (0.56.0)
+      parallel (~> 1.10)
+      parser (>= 2.5)
+      powerpack (~> 0.1)
+      rainbow (>= 2.2.2, < 4.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (~> 1.0, >= 1.0.1)
+    ruby-progressbar (1.9.0)
+    solargraph (0.21.1)
+      coderay (~> 1.1)
+      eventmachine (~> 1.2, >= 1.2.5)
+      htmlentities (~> 4.3, >= 4.3.4)
+      kramdown
+      parser (~> 2.4)
+      reverse_markdown (~> 1.0, >= 1.0.5)
+      rubocop (~> 0.52)
+      thor (~> 0.19, >= 0.19.4)
+      tilt (~> 2.0)
+      yard (~> 0.9)
+    thor (0.20.0)
+    tilt (2.0.8)
+    unicode-display_width (1.3.2)
+    yard (0.9.12)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  solargraph!
+
+BUNDLED WITH
+   1.14.6
diff --git a/pkgs/development/ruby-modules/solargraph/default.nix b/pkgs/development/ruby-modules/solargraph/default.nix
new file mode 100644
index 000000000000..83f1dddeeb60
--- /dev/null
+++ b/pkgs/development/ruby-modules/solargraph/default.nix
@@ -0,0 +1,15 @@
+{ lib, bundlerApp, ruby }:
+
+bundlerApp rec {
+  pname = "solargraph";
+  exes = ["solargraph"  "solargraph-runtime"];
+  gemdir = ./.;
+
+  meta = with lib; {
+    description = "IDE tools for the Ruby language";
+    homepage    = http://www.github.com/castwide/solargraph;
+    license     = licenses.mit;
+    maintainers = with maintainers; [ worldofpeace ];
+    platforms   = platforms.unix;
+  };
+}
diff --git a/pkgs/development/ruby-modules/solargraph/gemset.nix b/pkgs/development/ruby-modules/solargraph/gemset.nix
new file mode 100644
index 000000000000..0dbdd17d4d4d
--- /dev/null
+++ b/pkgs/development/ruby-modules/solargraph/gemset.nix
@@ -0,0 +1,159 @@
+{
+  ast = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "184ssy3w93nkajlz2c70ifm79jp3j737294kbc5fjw69v1w0n9x7";
+      type = "gem";
+    };
+    version = "2.4.0";
+  };
+  coderay = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "15vav4bhcc2x3jmi3izb11l4d9f3xv8hp2fszb7iqmpsccv1pz4y";
+      type = "gem";
+    };
+    version = "1.1.2";
+  };
+  eventmachine = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0wh9aqb0skz80fhfn66lbpr4f86ya2z5rx6gm5xlfhd05bj1ch4r";
+      type = "gem";
+    };
+    version = "1.2.7";
+  };
+  htmlentities = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1nkklqsn8ir8wizzlakncfv42i32wc0w9hxp00hvdlgjr7376nhj";
+      type = "gem";
+    };
+    version = "4.3.4";
+  };
+  kramdown = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0mkrqpp01rrfn3rx6wwsjizyqmafp0vgg8ja1dvbjs185r5zw3za";
+      type = "gem";
+    };
+    version = "1.16.2";
+  };
+  mini_portile2 = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "13d32jjadpjj6d2wdhkfpsmy68zjx90p49bgf8f7nkpz86r1fr11";
+      type = "gem";
+    };
+    version = "2.3.0";
+  };
+  nokogiri = {
+    dependencies = ["mini_portile2"];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "05fm3xh462glvs0rwnfmc1spmgl4ljg2giifynbmwwqvl42zaaiq";
+      type = "gem";
+    };
+    version = "1.8.2";
+  };
+  parallel = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "01hj8v1qnyl5ndrs33g8ld8ibk0rbcqdpkpznr04gkbxd11pqn67";
+      type = "gem";
+    };
+    version = "1.12.1";
+  };
+  parser = {
+    dependencies = ["ast"];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1af7aa1c2npi8dkshgm3f8qyacabm94ckrdz7b8vd3f8zzswqzp9";
+      type = "gem";
+    };
+    version = "2.5.1.0";
+  };
+  powerpack = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1fnn3fli5wkzyjl4ryh0k90316shqjfnhydmc7f8lqpi0q21va43";
+      type = "gem";
+    };
+    version = "0.1.1";
+  };
+  rainbow = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0bb2fpjspydr6x0s8pn1pqkzmxszvkfapv0p4627mywl7ky4zkhk";
+      type = "gem";
+    };
+    version = "3.0.0";
+  };
+  reverse_markdown = {
+    dependencies = ["nokogiri"];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0w7y5n74daajvl9gixr91nh8670d7mkgspkk3ql71m8azq3nffbg";
+      type = "gem";
+    };
+    version = "1.1.0";
+  };
+  rubocop = {
+    dependencies = ["parallel" "parser" "powerpack" "rainbow" "ruby-progressbar" "unicode-display_width"];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "04j2n2zilvfw46v94mpymwnfzni0jq05fz6gs3yi2na7l4c98zv8";
+      type = "gem";
+    };
+    version = "0.56.0";
+  };
+  ruby-progressbar = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1igh1xivf5h5g3y5m9b4i4j2mhz2r43kngh4ww3q1r80ch21nbfk";
+      type = "gem";
+    };
+    version = "1.9.0";
+  };
+  solargraph = {
+    dependencies = ["coderay" "eventmachine" "htmlentities" "kramdown" "parser" "reverse_markdown" "rubocop" "thor" "tilt" "yard"];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "18wkmbhymhwpdy4638bmdslniy2mjwldms5p61r6jnxzc7qnnalf";
+      type = "gem";
+    };
+    version = "0.21.1";
+  };
+  thor = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0nmqpyj642sk4g16nkbq6pj856adpv91lp4krwhqkh2iw63aszdl";
+      type = "gem";
+    };
+    version = "0.20.0";
+  };
+  tilt = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0020mrgdf11q23hm1ddd6fv691l51vi10af00f137ilcdb2ycfra";
+      type = "gem";
+    };
+    version = "2.0.8";
+  };
+  unicode-display_width = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0x31fgv1acywbb50prp7y4fr677c2d9gsl6wxmfcrlxbwz7nxn5n";
+      type = "gem";
+    };
+    version = "1.3.2";
+  };
+  yard = {
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "11x58w0ccayvgy0lmhfyrzxd33ya1v41prh5zzhvaajhw8vr74lh";
+      type = "gem";
+    };
+    version = "0.9.12";
+  };
+}
\ No newline at end of file
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 807f7b03ce6c..34fd1a7672be 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7438,6 +7438,8 @@ with pkgs;
   bundlerEnv = callPackage ../development/ruby-modules/bundler-env { };
   bundlerApp = callPackage ../development/ruby-modules/bundler-app { };
 
+  solargraph = callPackage ../development/ruby-modules/solargraph { };
+
   inherit (callPackage ../development/interpreters/ruby {
     inherit (darwin) libiconv libobjc libunwind;
     inherit (darwin.apple_sdk.frameworks) Foundation;