diff --git a/toys-core/CHANGELOG.md b/toys-core/CHANGELOG.md
index 040a8200..19efed12 100644
--- a/toys-core/CHANGELOG.md
+++ b/toys-core/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release History
 
+### v0.15.6 / 2024-05-15
+
+* FIXED: Fixed argument parsing to allow a flag value with a newline delimited by =
+
 ### v0.15.5 / 2024-01-31
 
 * FIXED: Fix for uri version mismatch error in certain bundler integration cases
diff --git a/toys-core/lib/toys/core.rb b/toys-core/lib/toys/core.rb
index d9b62188..35a42e66 100644
--- a/toys-core/lib/toys/core.rb
+++ b/toys-core/lib/toys/core.rb
@@ -9,7 +9,7 @@ module Core
     # Current version of Toys core.
     # @return [String]
     #
-    VERSION = "0.15.5"
+    VERSION = "0.15.6"
   end
 
   ##
diff --git a/toys/CHANGELOG.md b/toys/CHANGELOG.md
index 1392a92d..8e4329a0 100644
--- a/toys/CHANGELOG.md
+++ b/toys/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Release History
 
+### v0.15.6 / 2024-05-15
+
+* FIXED: Fixed argument parsing to allow a flag values delimited by "=" to contain newlines
+* FIXED: Fixed minitest version failures in the system test builtin tool
+* FIXED: Fixed crash in the system test builtin tool's minitest-rg integration with minitest-rg 5.3
+
 ### v0.15.5 / 2024-01-31
 
 * FIXED: Fix for uri version mismatch error in certain bundler integration cases
diff --git a/toys/lib/toys/version.rb b/toys/lib/toys/version.rb
index bb74a1b9..4aa0220d 100644
--- a/toys/lib/toys/version.rb
+++ b/toys/lib/toys/version.rb
@@ -5,5 +5,5 @@ module Toys
   # Current version of the Toys command line executable.
   # @return [String]
   #
-  VERSION = "0.15.5"
+  VERSION = "0.15.6"
 end