diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
@@ -1,10 +1,9 @@
+## Rails 5.2.0 (April 09, 2018) ##
+
 *   MySQL: Support mysql2 0.5.x.
 
     *Aaron Stone*
 
-
-## Rails 5.2.0.rc2 (March 20, 2018) ##
-
 *   Apply time column precision on assignment.
 
     PR #20317 changed the behavior of datetime columns so that when they
@@ -61,9 +60,6 @@
 
     *Ryuta Kamizono*
 
-
-## Rails 5.2.0.rc1 (January 30, 2018) ##
-
 *   PostgreSQL: Allow pg-1.0 gem to be used with Active Record.
 
     *Lars Kanis*
@@ -294,14 +290,6 @@
 
     *kinnrot*
 
-
-## Rails 5.2.0.beta2 (November 28, 2017) ##
-
-*   No changes.
-
-
-## Rails 5.2.0.beta1 (November 27, 2017) ##
-
 *   Add new error class `QueryCanceled` which will be raised
     when canceling statement due to user request.
 

diff --git a/activerecord/lib/active_record/gem_version.rb b/activerecord/lib/active_record/gem_version.rb
@@ -10,7 +10,7 @@ module VERSION
     MAJOR = 5
     MINOR = 2
     TINY  = 0
-    PRE   = "rc2"
+    PRE   = nil
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end

diff --git a/activestorage/CHANGELOG.md b/activestorage/CHANGELOG.md
@@ -1,4 +1,4 @@
-## Rails 5.2.0.rc2 (March 20, 2018) ##
+## Rails 5.2.0 (April 09, 2018) ##
 
 *   Allow full use of the AWS S3 SDK options for authentication. If an
     explicit AWS key pair and/or region is not provided in `storage.yml`,
@@ -34,9 +34,6 @@
 
     *Richard Macklin*
 
-
-## Rails 5.2.0.rc1 (January 30, 2018) ##
-
 *   Preserve display aspect ratio when extracting width and height from videos
     with rectangular samples in `ActiveStorage::Analyzer::VideoAnalyzer`.
 
@@ -58,16 +55,10 @@
 
     *Rosa Gutierrez*
 
-
-## Rails 5.2.0.beta2 (November 28, 2017) ##
-
 *   Fix the gem adding the migrations files to the package.
 
     *Yuji Yaginuma*
 
-
-## Rails 5.2.0.beta1 (November 27, 2017) ##
-
 *   Added to Rails.
 
     *DHH*
diff --git a/activestorage/lib/active_storage/gem_version.rb b/activestorage/lib/active_storage/gem_version.rb
@@ -10,7 +10,7 @@ module VERSION
     MAJOR = 5
     MINOR = 2
     TINY  = 0
-    PRE   = "rc2"
+    PRE   = nil
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end

diff --git a/activestorage/package.json b/activestorage/package.json
@@ -1,6 +1,6 @@
 {
   "name": "activestorage",
-  "version": "5.2.0-rc2",
+  "version": "5.2.0",
   "description": "Attach cloud and local files in Rails applications",
   "main": "app/assets/javascripts/activestorage.js",
   "files": [

diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
@@ -1,4 +1,4 @@
-## Rails 5.2.0.rc2 (March 20, 2018) ##
+## Rails 5.2.0 (April 09, 2018) ##
 
 *   Caching: MemCache and Redis `read_multi` and `fetch_multi` speedup.
     Read from the local in-memory cache before consulting the backend.
@@ -21,9 +21,6 @@
 
     *Andrew White*
 
-
-## Rails 5.2.0.rc1 (January 30, 2018) ##
-
 *   Add support for connection pooling on RedisCacheStore.
 
     *fatkodima*
@@ -51,14 +48,6 @@
 
     *Dmitri Dolguikh*, *Eugene Kenny*
 
-
-## Rails 5.2.0.beta2 (November 28, 2017) ##
-
-*   No changes.
-
-
-## Rails 5.2.0.beta1 (November 27, 2017) ##
-
 *   Changed default behaviour of `ActiveSupport::SecurityUtils.secure_compare`,
     to make it not leak length information even for variable length string.
 

diff --git a/activesupport/lib/active_support/gem_version.rb b/activesupport/lib/active_support/gem_version.rb
@@ -10,7 +10,7 @@ module VERSION
     MAJOR = 5
     MINOR = 2
     TINY  = 0
-    PRE   = "rc2"
+    PRE   = nil
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end

diff --git a/guides/CHANGELOG.md b/guides/CHANGELOG.md
@@ -1,22 +1,9 @@
-## Rails 5.2.0.rc2 (March 20, 2018) ##
-
-*   No changes.
-
-
-## Rails 5.2.0.rc1 (January 30, 2018) ##
+## Rails 5.2.0 (April 09, 2018) ##
 
 *   Add "Active Storage Overview" Guide.
 
     *Jeffrey Guenther*, *George Claghorn*
 
-
-## Rails 5.2.0.beta2 (November 28, 2017) ##
-
-*   No changes.
-
-
-## Rails 5.2.0.beta1 (November 27, 2017) ##
-
 *   Add "Threading and Code Execution in Rails" Guide.
 
     *Matthew Draper*

diff --git a/railties/CHANGELOG.md b/railties/CHANGELOG.md
@@ -1,4 +1,4 @@
-## Rails 5.2.0.rc2 (March 20, 2018) ##
+## Rails 5.2.0 (April 09, 2018) ##
 
 *   Fix minitest rails plugin.
 
@@ -8,19 +8,6 @@
 
     *Kevin Robatel*
 
-
-## Rails 5.2.0.rc1 (January 30, 2018) ##
-
-*   No changes.
-
-
-## Rails 5.2.0.beta2 (November 28, 2017) ##
-
-*   No changes.
-
-
-## Rails 5.2.0.beta1 (November 27, 2017) ##
-
 *   Deprecate `after_bundle` callback in Rails plugin templates.
 
     *Yuji Yaginuma*

diff --git a/railties/lib/rails/gem_version.rb b/railties/lib/rails/gem_version.rb
@@ -10,7 +10,7 @@ module VERSION
     MAJOR = 5
     MINOR = 2
     TINY  = 0
-    PRE   = "rc2"
+    PRE   = nil
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end

diff --git a/version.rb b/version.rb
@@ -10,7 +10,7 @@ module VERSION
     MAJOR = 5
     MINOR = 2
     TINY  = 0
-    PRE   = "rc2"
+    PRE   = nil
 
     STRING = [MAJOR, MINOR, TINY, PRE].compact.join(".")
   end