diff --git a/README.md b/README.md
index 2178b48..aac3093 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ It can be installed by adding `blex` to your list of dependencies in `mix.exs`:
 ```elixir
 def deps do
   [
-    {:blex, "~> 0.1"}
+    {:blex, "~> 0.2"}
   ]
 end
 ```
diff --git a/lib/blex.ex b/lib/blex.ex
index 2314905..402b658 100644
--- a/lib/blex.ex
+++ b/lib/blex.ex
@@ -739,6 +739,7 @@ defmodule Blex do
       false
 
   """
+  @doc since: "0.2.0"
 
   @spec merge_into([t() | binary()], t()) :: :ok
 
diff --git a/mix.exs b/mix.exs
index 215ab28..415920f 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,7 +4,7 @@ defmodule Blex.MixProject do
   def project do
     [
       app: :blex,
-      version: "0.1.0",
+      version: "0.2.0",
       description:
         "A fast Bloom filter with concurrent accessibility, powered by :atomics module",
       elixir: "~> 1.8",
diff --git a/mix.lock b/mix.lock
index 10ca2e8..08d4a89 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,16 +1,16 @@
 %{
-  "benchee": {:hex, :benchee, "0.13.2", "30cd4ff5f593fdd218a9b26f3c24d580274f297d88ad43383afe525b1543b165", [:mix], [{:deep_merge, "~> 0.1", [hex: :deep_merge, repo: "hexpm", optional: false]}], "hexpm"},
-  "bloomex": {:hex, :bloomex, "1.0.5", "4d4b366412270e1fdb0c93f9f376f93f360b1b18514ac97915b43f9f9c6025f3", [:mix], [], "hexpm"},
-  "deep_merge": {:hex, :deep_merge, "0.2.0", "c1050fa2edf4848b9f556fba1b75afc66608a4219659e3311d9c9427b5b680b3", [:mix], [], "hexpm"},
-  "dialyxir": {:hex, :dialyxir, "1.0.0-rc.4", "71b42f5ee1b7628f3e3a6565f4617dfb02d127a0499ab3e72750455e986df001", [:mix], [{:erlex, "~> 0.1", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm"},
-  "earmark": {:hex, :earmark, "1.3.1", "73812f447f7a42358d3ba79283cfa3075a7580a3a2ed457616d6517ac3738cb9", [:mix], [], "hexpm"},
-  "erlex": {:hex, :erlex, "0.1.6", "c01c889363168d3fdd23f4211647d8a34c0f9a21ec726762312e08e083f3d47e", [:mix], [], "hexpm"},
-  "ex_doc": {:hex, :ex_doc, "0.19.2", "6f4081ccd9ed081b6dc0bd5af97a41e87f5554de469e7d76025fba535180565f", [:mix], [{:earmark, "~> 1.2", [hex: :earmark, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.10", [hex: :makeup_elixir, repo: "hexpm", optional: false]}], "hexpm"},
-  "ex_type": {:hex, :ex_type, "0.4.0", "7c93a0e64956192d0a7319ad7431471331b33377c7476b4ce61d173d474b1fa0", [:mix], [{:ex_type_runtime, "~> 0.1.0", [hex: :ex_type_runtime, repo: "hexpm", optional: false]}], "hexpm"},
-  "ex_type_runtime": {:hex, :ex_type_runtime, "0.1.0", "c7557490c969aacaaada89b30213d3572b615b5ef29c6617f1b588b1213a5127", [:mix], [], "hexpm"},
-  "makeup": {:hex, :makeup, "0.8.0", "9cf32aea71c7fe0a4b2e9246c2c4978f9070257e5c9ce6d4a28ec450a839b55f", [:mix], [{:nimble_parsec, "~> 0.5.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm"},
-  "makeup_elixir": {:hex, :makeup_elixir, "0.13.0", "be7a477997dcac2e48a9d695ec730b2d22418292675c75aa2d34ba0909dcdeda", [:mix], [{:makeup, "~> 0.8", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm"},
-  "murmur": {:hex, :murmur, "1.0.1", "a6e6bced2dd0d666090a9cf3e73699f3b9176bbcf32d35b0f022f137667608e3", [:mix], [], "hexpm"},
-  "nimble_parsec": {:hex, :nimble_parsec, "0.5.0", "90e2eca3d0266e5c53f8fbe0079694740b9c91b6747f2b7e3c5d21966bba8300", [:mix], [], "hexpm"},
-  "stream_data": {:hex, :stream_data, "0.4.2", "fa86b78c88ec4eaa482c0891350fcc23f19a79059a687760ddcf8680aac2799b", [:mix], [], "hexpm"},
+  "benchee": {:hex, :benchee, "0.13.2", "30cd4ff5f593fdd218a9b26f3c24d580274f297d88ad43383afe525b1543b165", [:mix], [{:deep_merge, "~> 0.1", [hex: :deep_merge, repo: "hexpm", optional: false]}], "hexpm", "d8b3f1720073413c36a21e56a1d1112a4d67a9ad0ec900437efed08b39e515b2"},
+  "bloomex": {:hex, :bloomex, "1.0.5", "4d4b366412270e1fdb0c93f9f376f93f360b1b18514ac97915b43f9f9c6025f3", [:mix], [], "hexpm", "ff1446c5f3e6c2c560b1cf8ef849cab78a743a0e103cde7575c0cc62a250dfcf"},
+  "deep_merge": {:hex, :deep_merge, "0.2.0", "c1050fa2edf4848b9f556fba1b75afc66608a4219659e3311d9c9427b5b680b3", [:mix], [], "hexpm", "e3bf435a54ed27b0ba3a01eb117ae017988804e136edcbe8a6a14c310daa966e"},
+  "dialyxir": {:hex, :dialyxir, "1.0.0-rc.4", "71b42f5ee1b7628f3e3a6565f4617dfb02d127a0499ab3e72750455e986df001", [:mix], [{:erlex, "~> 0.1", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "4bba10c6f267a0dd127d687d1295f6a11af6a7f160cc0e261c46f1962a98d7d8"},
+  "earmark": {:hex, :earmark, "1.3.1", "73812f447f7a42358d3ba79283cfa3075a7580a3a2ed457616d6517ac3738cb9", [:mix], [], "hexpm", "000aaeff08919e95e7aea13e4af7b2b9734577b3e6a7c50ee31ee88cab6ec4fb"},
+  "erlex": {:hex, :erlex, "0.1.6", "c01c889363168d3fdd23f4211647d8a34c0f9a21ec726762312e08e083f3d47e", [:mix], [], "hexpm", "f9388f7d1a668bee6ebddc040422ed6340af74aced153e492330da4c39516d92"},
+  "ex_doc": {:hex, :ex_doc, "0.19.2", "6f4081ccd9ed081b6dc0bd5af97a41e87f5554de469e7d76025fba535180565f", [:mix], [{:earmark, "~> 1.2", [hex: :earmark, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.10", [hex: :makeup_elixir, repo: "hexpm", optional: false]}], "hexpm", "4eae888633d2937e0a8839ae6002536d459c22976743c9dc98dd05941a06c016"},
+  "ex_type": {:hex, :ex_type, "0.4.0", "7c93a0e64956192d0a7319ad7431471331b33377c7476b4ce61d173d474b1fa0", [:mix], [{:ex_type_runtime, "~> 0.1.0", [hex: :ex_type_runtime, repo: "hexpm", optional: false]}], "hexpm", "86e1f72eec57566138578f9db3adf91fbb8cca7b32d1033d99e15a95cfba7a78"},
+  "ex_type_runtime": {:hex, :ex_type_runtime, "0.1.0", "c7557490c969aacaaada89b30213d3572b615b5ef29c6617f1b588b1213a5127", [:mix], [], "hexpm", "341deab4814cba23cdd0c912c87573fd48bdc3ceb7cd328f63406f3dab2448cc"},
+  "makeup": {:hex, :makeup, "0.8.0", "9cf32aea71c7fe0a4b2e9246c2c4978f9070257e5c9ce6d4a28ec450a839b55f", [:mix], [{:nimble_parsec, "~> 0.5.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "5fbc8e549aa9afeea2847c0769e3970537ed302f93a23ac612602e805d9d1e7f"},
+  "makeup_elixir": {:hex, :makeup_elixir, "0.13.0", "be7a477997dcac2e48a9d695ec730b2d22418292675c75aa2d34ba0909dcdeda", [:mix], [{:makeup, "~> 0.8", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "adf0218695e22caeda2820eaba703fa46c91820d53813a2223413da3ef4ba515"},
+  "murmur": {:hex, :murmur, "1.0.1", "a6e6bced2dd0d666090a9cf3e73699f3b9176bbcf32d35b0f022f137667608e3", [:mix], [], "hexpm", "1303e80b1a5514a8afe0baf4241903ae31e3ba8b7e9e7c2219a668c065a691a6"},
+  "nimble_parsec": {:hex, :nimble_parsec, "0.5.0", "90e2eca3d0266e5c53f8fbe0079694740b9c91b6747f2b7e3c5d21966bba8300", [:mix], [], "hexpm", "5c040b8469c1ff1b10093d3186e2e10dbe483cd73d79ec017993fb3985b8a9b3"},
+  "stream_data": {:hex, :stream_data, "0.4.2", "fa86b78c88ec4eaa482c0891350fcc23f19a79059a687760ddcf8680aac2799b", [:mix], [], "hexpm", "54d6bf6f1e5e27fbf4a7784a2bffbb993446d0efd079debca0f27bf859c0d1cf"},
 }