diff --git a/CHANGELOG.md b/CHANGELOG.md
index bbf840d..cfcbff9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v1.1.0
+
+  * Drop support for Elixir 1.11 and lower, require Elixir 1.12+ now.
+
 ## v1.0.0
 
 No changes. This is just the 1.0 release. Happy fuzzying!
diff --git a/lib/stream_data.ex b/lib/stream_data.ex
index d0feddb..55927a9 100644
--- a/lib/stream_data.ex
+++ b/lib/stream_data.ex
@@ -963,7 +963,7 @@ defmodule StreamData do
         {:ok, length} when is_integer(length) and length >= 0 ->
           {length, length}
 
-        {:ok, min..max} when min >= 0 and max >= 0 ->
+        {:ok, min..max//_} when min >= 0 and max >= 0 ->
           order(min, max)
 
         {:ok, other} ->
diff --git a/mix.exs b/mix.exs
index 4931cba..ffa693f 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,14 +1,14 @@
 defmodule StreamData.Mixfile do
   use Mix.Project
 
-  @version "1.0.0"
+  @version "1.1.0"
   @repo_url "https://github.com/whatyouhide/stream_data"
 
   def project() do
     [
       app: :stream_data,
       version: @version,
-      elixir: "~> 1.11",
+      elixir: "~> 1.12",
       start_permanent: Mix.env() == :prod,
       deps: deps(),