diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10eb51ac9..824d830b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,18 @@ and Yorkie adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html)
 
 ## [Unreleased]
 
+## [0.4.27] - 2024-07-11
+
+### Changed
+
+- Provide error codes for enhancing error handling from clients by @hackerwins in https://github.com/yorkie-team/yorkie/pull/927
+
+### Fixed
+
+- Prevent exposure of removed documents when searching by @hackerwins in https://github.com/yorkie-team/yorkie/pull/918
+- Ensure proper deletion of documents in MemDB by @hackerwins in https://github.com/yorkie-team/yorkie/pull/920
+- Handle local changes correctly when receiving snapshot by @raararaara in https://github.com/yorkie-team/yorkie/pull/923
+
 ## [0.4.26] - 2024-07-04
 
 ### Fixed
diff --git a/Makefile b/Makefile
index 945ac6982..a74241b41 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-YORKIE_VERSION := 0.4.26
+YORKIE_VERSION := 0.4.27
 
 GO_PROJECT = github.com/yorkie-team/yorkie
 
diff --git a/api/docs/yorkie.base.yaml b/api/docs/yorkie.base.yaml
index b8f29188b..2b7c76835 100644
--- a/api/docs/yorkie.base.yaml
+++ b/api/docs/yorkie.base.yaml
@@ -2,7 +2,7 @@ openapi: 3.1.0
 info:
   title: Yorkie
   description: "Yorkie is an open source document store for building collaborative editing applications."
-  version: v0.4.26
+  version: v0.4.27
 servers:
   - url: https://api.yorkie.dev
     description: Production server
diff --git a/api/docs/yorkie/v1/admin.openapi.yaml b/api/docs/yorkie/v1/admin.openapi.yaml
index 8adb99918..3f9d33363 100644
--- a/api/docs/yorkie/v1/admin.openapi.yaml
+++ b/api/docs/yorkie/v1/admin.openapi.yaml
@@ -4,7 +4,7 @@ info:
     Yorkie is an open source document store for building collaborative
     editing applications.
   title: Yorkie
-  version: v0.4.26
+  version: v0.4.27
 servers:
   - description: Production server
     url: https://api.yorkie.dev
diff --git a/api/docs/yorkie/v1/resources.openapi.yaml b/api/docs/yorkie/v1/resources.openapi.yaml
index a51a9f28f..92e7d9eaf 100644
--- a/api/docs/yorkie/v1/resources.openapi.yaml
+++ b/api/docs/yorkie/v1/resources.openapi.yaml
@@ -4,7 +4,7 @@ info:
     Yorkie is an open source document store for building collaborative
     editing applications.
   title: Yorkie
-  version: v0.4.26
+  version: v0.4.27
 servers:
   - description: Production server
     url: https://api.yorkie.dev
diff --git a/api/docs/yorkie/v1/yorkie.openapi.yaml b/api/docs/yorkie/v1/yorkie.openapi.yaml
index 9b194f938..3fb37961f 100644
--- a/api/docs/yorkie/v1/yorkie.openapi.yaml
+++ b/api/docs/yorkie/v1/yorkie.openapi.yaml
@@ -4,7 +4,7 @@ info:
     Yorkie is an open source document store for building collaborative
     editing applications.
   title: Yorkie
-  version: v0.4.26
+  version: v0.4.27
 servers:
   - description: Production server
     url: https://api.yorkie.dev
diff --git a/build/charts/yorkie-cluster/Chart.yaml b/build/charts/yorkie-cluster/Chart.yaml
index d7f0c40f3..3d0eb1272 100644
--- a/build/charts/yorkie-cluster/Chart.yaml
+++ b/build/charts/yorkie-cluster/Chart.yaml
@@ -11,8 +11,8 @@ maintainers:
 
 sources:
   - https://github.com/yorkie-team/yorkie
-version: 0.4.26
-appVersion: "0.4.26"
+version: 0.4.27
+appVersion: "0.4.27"
 kubeVersion: ">=1.23.0-0"
 
 keywords: