diff --git a/CHANGELOG.md b/CHANGELOG.md
index f28861d..30271fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## 0.0.1.alpha6 - 2026-07-18
+
+### Bumped
+
+- Runtime dependency `opencode-ruby` pinned to `= 0.0.1.alpha6`. Rails turns
+  now establish and validate the OpenCode SSE subscription before submitting
+  `prompt_async`, and automatic SSE reconnects reopen only the subscription
+  without replaying the user prompt.
+
 ## 0.0.1.alpha5 - 2026-07-15
 
 ### Bumped
diff --git a/README.md b/README.md
index 2251910..d648883 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,10 @@ bundle install
 
 Runtime deps: `activerecord`, `activestorage`, `activesupport` (>= 7.1). Depends on `opencode-ruby` for the underlying HTTP/SSE primitives.
 
+During the alpha series both gems are pinned in lockstep. Version 0.0.1.alpha6
+uses a subscribe-ready-before-prompt transport contract and reconnects an
+accepted turn without posting its prompt again.
+
 ## Quickstart
 
 ```ruby
diff --git a/lib/opencode/rails_version.rb b/lib/opencode/rails_version.rb
index 8dc072d..5b1cdb6 100644
--- a/lib/opencode/rails_version.rb
+++ b/lib/opencode/rails_version.rb
@@ -11,5 +11,5 @@
 # We can't reuse the same constant from a second gem, so we use a
 # distinct, non-namespaced constant.
 module Opencode
-  RAILS_VERSION = "0.0.1.alpha5"
+  RAILS_VERSION = "0.0.1.alpha6"
 end
diff --git a/opencode-rails.gemspec b/opencode-rails.gemspec
index c0ad951..19fd938 100644
--- a/opencode-rails.gemspec
+++ b/opencode-rails.gemspec
@@ -37,7 +37,7 @@ Gem::Specification.new do |spec|
   # this gem builds on. During alpha both gems evolve in lockstep — we pin
   # exactly (= not ~>) so that consumers always pick the version this gem
   # was tested against.
-  spec.add_runtime_dependency "opencode-ruby", "= 0.0.1.alpha5"
+  spec.add_runtime_dependency "opencode-ruby", "= 0.0.1.alpha6"
 
   # Rails sub-libraries used at runtime. Depending on these individually
   # (instead of the `rails` umbrella) avoids forcing host apps to load