diff --git a/src/promptflow-azure/CHANGELOG.md b/src/promptflow-azure/CHANGELOG.md
index 2d3a914e89b..9d4b01e82f4 100644
--- a/src/promptflow-azure/CHANGELOG.md
+++ b/src/promptflow-azure/CHANGELOG.md
@@ -1,6 +1,6 @@
 # promptflow-azure package
 
-## v1.15.0 (Upcoming)
+## v1.15.0 (2024.08.15)
 
 ### Bugs fixed
 - Fixed `Connection aborted` error for local to cloud run when registering the run to cloud.
diff --git a/src/promptflow-azure/pyproject.toml b/src/promptflow-azure/pyproject.toml
index 6d6709a3222..1bb43faaaa7 100644
--- a/src/promptflow-azure/pyproject.toml
+++ b/src/promptflow-azure/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "promptflow-azure"
-version = "1.15.0.dev0"
+version = "1.16.0.dev0"
 description = "Prompt flow azure"
 include = [
   "promptflow/azure/resources/*"
diff --git a/src/promptflow-core/CHANGELOG.md b/src/promptflow-core/CHANGELOG.md
index e25bd9f2b29..27d40d5efb7 100644
--- a/src/promptflow-core/CHANGELOG.md
+++ b/src/promptflow-core/CHANGELOG.md
@@ -1,5 +1,10 @@
 # promptflow-core package
 
+## v1.15.0 (2024.08.15)
+
+### Bugs fixed
+- Fixed openai error handler not functioning for `AsyncPrompty`.
+
 ## v1.14.0 (2024.07.25)
 ### Improvements
 - Remove dependency on docutils package.
diff --git a/src/promptflow-core/pyproject.toml b/src/promptflow-core/pyproject.toml
index 4af4e7eff25..40f68e49f82 100644
--- a/src/promptflow-core/pyproject.toml
+++ b/src/promptflow-core/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "promptflow-core"
-version = "1.15.0.dev0"
+version = "1.16.0.dev0"
 description = "Prompt flow core"
 include = [
   "promptflow/core/_serving/static/*",
diff --git a/src/promptflow-devkit/CHANGELOG.md b/src/promptflow-devkit/CHANGELOG.md
index e4a58352f59..b5ede97b5e8 100644
--- a/src/promptflow-devkit/CHANGELOG.md
+++ b/src/promptflow-devkit/CHANGELOG.md
@@ -1,8 +1,9 @@
 # promptflow-devkit package
 
-## v1.15.0 (Upcoming)
+## v1.15.0 (2024.08.15)
+
 ### Bugs fixed
-- Fixed trace view can't display boolean output (#3613)
+- Fixed trace view can't display boolean output.
 
 ## v1.14.0 (2024.07.25)
 ### Improvements
diff --git a/src/promptflow-devkit/pyproject.toml b/src/promptflow-devkit/pyproject.toml
index 0da7da28831..00d1a7b3c9e 100644
--- a/src/promptflow-devkit/pyproject.toml
+++ b/src/promptflow-devkit/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "promptflow-devkit"
-version = "1.15.0.dev0"
+version = "1.16.0.dev0"
 description = "Prompt flow devkit"
 include = [
   "promptflow/_sdk/_service/static/*",
diff --git a/src/promptflow-tracing/pyproject.toml b/src/promptflow-tracing/pyproject.toml
index 0a887a84bf5..2f0c0d3dd5c 100644
--- a/src/promptflow-tracing/pyproject.toml
+++ b/src/promptflow-tracing/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "poetry.core.masonry.api"
 # poetry
 [tool.poetry]
 name = "promptflow-tracing"
-version = "1.15.0.dev0"
+version = "1.16.0.dev0"
 description = "Prompt flow tracing"
 license = "MIT"
 authors = [
diff --git a/src/promptflow/CHANGELOG.md b/src/promptflow/CHANGELOG.md
index 4eb83b56ddd..7186631fa63 100644
--- a/src/promptflow/CHANGELOG.md
+++ b/src/promptflow/CHANGELOG.md
@@ -1,11 +1,11 @@
 # Release History
 
-## v1.15.0 (Upcoming)
+## v1.15.0 (2024.08.15)
 
 ### Bugs fixed
 - [promptflow-azure] Fixed `Connection aborted` error for local to cloud run when registering the run to cloud.
 - [promptflow-core] Fixed openai error handler not functioning for `AsyncPrompty`.
-- [promptflow-devkit] Fixed trace view can't display boolean output (#3613)
+- [promptflow-devkit] Fixed trace view can't display boolean output.
 
 ## v1.14.0 (2024.07.25)
 ### Improvements
diff --git a/src/promptflow/promptflow/_version.py b/src/promptflow/promptflow/_version.py
index 9f5d2f61082..8836ae3cf19 100644
--- a/src/promptflow/promptflow/_version.py
+++ b/src/promptflow/promptflow/_version.py
@@ -2,4 +2,4 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # ---------------------------------------------------------
 
-VERSION = "1.15.0.dev0"
+VERSION = "1.16.0.dev0"