diff --git a/CHANGELOG.md b/CHANGELOG.md
index 779271f60..5dcbd7d6c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,14 @@
 
 -------------------------------------------------------------------------------------------------------------
 
+# 5.5.2 (2020-11-16)
+
+### 新特性
+
+### Bug修复
+
+-------------------------------------------------------------------------------------------------------------
+
 # 5.5.1 (2020-11-16)
 
 ### 新特性
diff --git a/README-EN.md b/README-EN.md
index 0f1c0da29..56253c825 100644
--- a/README-EN.md
+++ b/README-EN.md
@@ -125,19 +125,19 @@ Each module can be introduced individually, or all modules can be introduced by
 <dependency>
     <groupId>cn.hutool</groupId>
     <artifactId>hutool-all</artifactId>
-    <version>5.5.1</version>
+    <version>5.5.2</version>
 </dependency>
 ```
 
 ### Gradle
 ```
-compile 'cn.hutool:hutool-all:5.5.1'
+compile 'cn.hutool:hutool-all:5.5.2'
 ```
 
 ## Download
 
-- [Maven1](https://repo1.maven.org/maven2/cn/hutool/hutool-all/5.5.1/)
-- [Maven2](http://repo2.maven.org/maven2/cn/hutool/hutool-all/5.5.1/)
+- [Maven1](https://repo1.maven.org/maven2/cn/hutool/hutool-all/5.5.2/)
+- [Maven2](http://repo2.maven.org/maven2/cn/hutool/hutool-all/5.5.2/)
 
 > note:
 > Hutool 5.x supports JDK8+ and is not tested on Android platforms, and cannot guarantee that all tool classes or tool methods are available.
diff --git a/README.md b/README.md
index 04316f385..f348e48f3 100644
--- a/README.md
+++ b/README.md
@@ -123,21 +123,21 @@ Hutool的存在就是为了减少代码搜索成本，避免网络上参差不
 <dependency>
     <groupId>cn.hutool</groupId>
     <artifactId>hutool-all</artifactId>
-    <version>5.5.1</version>
+    <version>5.5.2</version>
 </dependency>
 ```
 
 ### Gradle
 ```
-compile 'cn.hutool:hutool-all:5.5.1'
+compile 'cn.hutool:hutool-all:5.5.2'
 ```
 
 ### 非Maven项目
 
 点击以下任一链接，下载`hutool-all-X.X.X.jar`即可：
 
-- [Maven中央库1](https://repo1.maven.org/maven2/cn/hutool/hutool-all/5.5.1/)
-- [Maven中央库2](http://repo2.maven.org/maven2/cn/hutool/hutool-all/5.5.1/)
+- [Maven中央库1](https://repo1.maven.org/maven2/cn/hutool/hutool-all/5.5.2/)
+- [Maven中央库2](http://repo2.maven.org/maven2/cn/hutool/hutool-all/5.5.2/)
 
 > 注意
 > Hutool 5.x支持JDK8+，对Android平台没有测试，不能保证所有工具类或工具方法可用。
diff --git a/bin/version.txt b/bin/version.txt
index 7acd1cb0e..e4d41db98 100755
--- a/bin/version.txt
+++ b/bin/version.txt
@@ -1 +1 @@
-5.5.1
+5.5.2
diff --git a/docs/js/version.js b/docs/js/version.js
index 02594b515..352759200 100644
--- a/docs/js/version.js
+++ b/docs/js/version.js
@@ -1 +1 @@
-var version = '5.5.1'
\ No newline at end of file
+var version = '5.5.2'
\ No newline at end of file
diff --git a/hutool-all/pom.xml b/hutool-all/pom.xml
index 24ae74f35..4e5037e23 100644
--- a/hutool-all/pom.xml
+++ b/hutool-all/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-all</artifactId>
diff --git a/hutool-aop/pom.xml b/hutool-aop/pom.xml
index 7c0995244..1aad8de37 100644
--- a/hutool-aop/pom.xml
+++ b/hutool-aop/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-aop</artifactId>
diff --git a/hutool-bloomFilter/pom.xml b/hutool-bloomFilter/pom.xml
index 1889b0f42..9a22c2e8d 100644
--- a/hutool-bloomFilter/pom.xml
+++ b/hutool-bloomFilter/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-bloomFilter</artifactId>
diff --git a/hutool-bom/pom.xml b/hutool-bom/pom.xml
index 8f5030aa1..1bb69eef8 100644
--- a/hutool-bom/pom.xml
+++ b/hutool-bom/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-bom</artifactId>
diff --git a/hutool-cache/pom.xml b/hutool-cache/pom.xml
index 06a9fc80f..84e9b2db6 100644
--- a/hutool-cache/pom.xml
+++ b/hutool-cache/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-cache</artifactId>
diff --git a/hutool-captcha/pom.xml b/hutool-captcha/pom.xml
index 8705d0d31..b8a0a80de 100644
--- a/hutool-captcha/pom.xml
+++ b/hutool-captcha/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-captcha</artifactId>
diff --git a/hutool-core/pom.xml b/hutool-core/pom.xml
index c1ce70083..ca77d8222 100644
--- a/hutool-core/pom.xml
+++ b/hutool-core/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-core</artifactId>
diff --git a/hutool-cron/pom.xml b/hutool-cron/pom.xml
index ef65a172e..f072c2e29 100644
--- a/hutool-cron/pom.xml
+++ b/hutool-cron/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-cron</artifactId>
diff --git a/hutool-crypto/pom.xml b/hutool-crypto/pom.xml
index a32a81d18..51db31c7c 100644
--- a/hutool-crypto/pom.xml
+++ b/hutool-crypto/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-crypto</artifactId>
diff --git a/hutool-db/pom.xml b/hutool-db/pom.xml
index 0189f3266..8dc8a3d3b 100644
--- a/hutool-db/pom.xml
+++ b/hutool-db/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-db</artifactId>
diff --git a/hutool-dfa/pom.xml b/hutool-dfa/pom.xml
index eb9545f12..478adc711 100644
--- a/hutool-dfa/pom.xml
+++ b/hutool-dfa/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-dfa</artifactId>
diff --git a/hutool-extra/pom.xml b/hutool-extra/pom.xml
index b10aac6ff..395140b56 100644
--- a/hutool-extra/pom.xml
+++ b/hutool-extra/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-extra</artifactId>
diff --git a/hutool-http/pom.xml b/hutool-http/pom.xml
index 6cac98afc..b7aaf9361 100644
--- a/hutool-http/pom.xml
+++ b/hutool-http/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-http</artifactId>
diff --git a/hutool-json/pom.xml b/hutool-json/pom.xml
index 2a73a1700..b35254b3c 100644
--- a/hutool-json/pom.xml
+++ b/hutool-json/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-json</artifactId>
diff --git a/hutool-log/pom.xml b/hutool-log/pom.xml
index 6d029831c..ab1b9602e 100644
--- a/hutool-log/pom.xml
+++ b/hutool-log/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-log</artifactId>
diff --git a/hutool-poi/pom.xml b/hutool-poi/pom.xml
index d81fb8c68..da3400233 100644
--- a/hutool-poi/pom.xml
+++ b/hutool-poi/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-poi</artifactId>
diff --git a/hutool-script/pom.xml b/hutool-script/pom.xml
index f6f152482..4c0eb861a 100644
--- a/hutool-script/pom.xml
+++ b/hutool-script/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-script</artifactId>
diff --git a/hutool-setting/pom.xml b/hutool-setting/pom.xml
index 3710e3e35..a53723268 100644
--- a/hutool-setting/pom.xml
+++ b/hutool-setting/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-setting</artifactId>
diff --git a/hutool-socket/pom.xml b/hutool-socket/pom.xml
index a8f1c3dec..d4ec41163 100644
--- a/hutool-socket/pom.xml
+++ b/hutool-socket/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-socket</artifactId>
diff --git a/hutool-system/pom.xml b/hutool-system/pom.xml
index 7c2491968..7f6e72a0c 100644
--- a/hutool-system/pom.xml
+++ b/hutool-system/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.5.1</version>
+		<version>5.5.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-system</artifactId>
diff --git a/pom.xml b/pom.xml
index 60240bf83..37edd0174 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
 
 	<groupId>cn.hutool</groupId>
 	<artifactId>hutool-parent</artifactId>
-	<version>5.5.1</version>
+	<version>5.5.2-SNAPSHOT</version>
 	<name>hutool</name>
 	<description>Hutool是一个小而全的Java工具类库，通过静态方法封装，降低相关API的学习成本，提高工作效率，使Java拥有函数式语言般的优雅，让Java语言也可以“甜甜的”。</description>
 	<url>https://github.com/looly/hutool</url>