diff --git a/lib/seq-1.6.2-sources.jar b/lib/seq-1.6.2-sources.jar
deleted file mode 100644
index 4b93968..0000000
Binary files a/lib/seq-1.6.2-sources.jar and /dev/null differ
diff --git a/lib/seq-1.6.2-pom.xml b/lib/seq-1.7.2-pom.xml
similarity index 98%
rename from lib/seq-1.6.2-pom.xml
rename to lib/seq-1.7.2-pom.xml
index 13a9e48..06090d8 100644
--- a/lib/seq-1.6.2-pom.xml
+++ b/lib/seq-1.7.2-pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.yanghuanglin</groupId>
     <artifactId>seq</artifactId>
-    <version>1.6.2</version>
+    <version>1.7.2</version>
     <name>seq</name>
     <description>seq</description>
     <properties>
diff --git a/lib/seq-1.7.2-sources.jar b/lib/seq-1.7.2-sources.jar
new file mode 100644
index 0000000..cb1d7af
Binary files /dev/null and b/lib/seq-1.7.2-sources.jar differ
diff --git a/lib/seq-1.6.2.jar b/lib/seq-1.7.2.jar
similarity index 54%
rename from lib/seq-1.6.2.jar
rename to lib/seq-1.7.2.jar
index 2062616..e07ee9a 100644
Binary files a/lib/seq-1.6.2.jar and b/lib/seq-1.7.2.jar differ
diff --git a/pom.xml b/pom.xml
index 76d478e..5ba1cca 100644
--- a/pom.xml
+++ b/pom.xml
@@ -39,7 +39,7 @@
         <dependency>
             <groupId>com.yanghuanglin</groupId>
             <artifactId>seq</artifactId>
-            <version>1.6.2</version>
+            <version>1.7.2</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.springframework</groupId>
@@ -92,13 +92,13 @@
                             <goal>install-file</goal>
                         </goals>
                         <configuration>
-                            <file>${project.basedir}/lib/seq-1.6.2.jar</file>
-                            <pomFile>${project.basedir}/lib/seq-1.6.2-pom.xml</pomFile>
-                            <sources>${project.basedir}/lib/seq-1.6.2-sources.jar</sources>
+                            <file>${project.basedir}/lib/seq-1.7.2.jar</file>
+                            <pomFile>${project.basedir}/lib/seq-1.7.2-pom.xml</pomFile>
+                            <sources>${project.basedir}/lib/seq-1.7.2-sources.jar</sources>
                             <repositoryLayout>default</repositoryLayout>
                             <groupId>com.yanghuanglin</groupId>
                             <artifactId>seq</artifactId>
-                            <version>1.6.2</version>
+                            <version>1.7.2</version>
                             <packaging>jar</packaging>
                             <generatePom>true</generatePom>
                         </configuration>