diff --git a/springboot-Cache/pom.xml b/springboot-Cache/pom.xml
index fb8b681..eda2a37 100644
--- a/springboot-Cache/pom.xml
+++ b/springboot-Cache/pom.xml
@@ -63,7 +63,7 @@
         <dependency>
             <groupId>com.mchange</groupId>
             <artifactId>c3p0</artifactId>
-            <version>0.9.5.2</version>
+            <version>0.9.5.4</version>
             <exclusions>
                 <exclusion>
                     <groupId>commons-logging</groupId>
diff --git a/springboot-Cache2/pom.xml b/springboot-Cache2/pom.xml
index 67364da..f255f15 100644
--- a/springboot-Cache2/pom.xml
+++ b/springboot-Cache2/pom.xml
@@ -52,7 +52,7 @@
         <dependency>
             <groupId>com.mchange</groupId>
             <artifactId>c3p0</artifactId>
-            <version>0.9.5.2</version>
+            <version>0.9.5.4</version>
             <exclusions>
                 <exclusion>
                     <groupId>commons-logging</groupId>
diff --git a/springboot-SpringSecurity0/pom.xml b/springboot-SpringSecurity0/pom.xml
index ff6894e..22e6fd8 100644
--- a/springboot-SpringSecurity0/pom.xml
+++ b/springboot-SpringSecurity0/pom.xml
@@ -49,7 +49,7 @@
         <dependency>
             <groupId>com.mchange</groupId>
             <artifactId>c3p0</artifactId>
-            <version>0.9.5.2</version>
+            <version>0.9.5.4</version>
             <exclusions>
                 <exclusion>
                     <groupId>commons-logging</groupId>
diff --git a/springboot-SpringSecurity1/pom.xml b/springboot-SpringSecurity1/pom.xml
index 88ccf01..79b8c52 100644
--- a/springboot-SpringSecurity1/pom.xml
+++ b/springboot-SpringSecurity1/pom.xml
@@ -49,7 +49,7 @@
         <dependency>
             <groupId>com.mchange</groupId>
             <artifactId>c3p0</artifactId>
-            <version>0.9.5.2</version>
+            <version>0.9.5.4</version>
             <exclusions>
                 <exclusion>
                     <groupId>commons-logging</groupId>
diff --git a/springboot-shiro/pom.xml b/springboot-shiro/pom.xml
index 0f01d61..e953479 100644
--- a/springboot-shiro/pom.xml
+++ b/springboot-shiro/pom.xml
@@ -87,7 +87,7 @@
         <dependency>
             <groupId>com.mchange</groupId>
             <artifactId>c3p0</artifactId>
-            <version>0.9.5.2</version>
+            <version>0.9.5.4</version>
             <exclusions>
                 <exclusion>
                     <groupId>commons-logging</groupId>
diff --git a/springboot-springSecurity2/pom.xml b/springboot-springSecurity2/pom.xml
index 041860b..2d8a95a 100644
--- a/springboot-springSecurity2/pom.xml
+++ b/springboot-springSecurity2/pom.xml
@@ -44,7 +44,7 @@
         <dependency>
             <groupId>com.mchange</groupId>
             <artifactId>c3p0</artifactId>
-            <version>0.9.5.2</version>
+            <version>0.9.5.4</version>
             <exclusions>
                 <exclusion>
                     <groupId>commons-logging</groupId>
diff --git a/springboot-springSecurity3/pom.xml b/springboot-springSecurity3/pom.xml
index 29dbd84..8ef9b02 100644
--- a/springboot-springSecurity3/pom.xml
+++ b/springboot-springSecurity3/pom.xml
@@ -49,7 +49,7 @@
         <dependency>
             <groupId>com.mchange</groupId>
             <artifactId>c3p0</artifactId>
-            <version>0.9.5.2</version>
+            <version>0.9.5.4</version>
             <exclusions>
                 <exclusion>
                     <groupId>commons-logging</groupId>
diff --git a/springboot-springSecurity4/pom.xml b/springboot-springSecurity4/pom.xml
index 45a72ea..ef987f6 100644
--- a/springboot-springSecurity4/pom.xml
+++ b/springboot-springSecurity4/pom.xml
@@ -48,7 +48,7 @@
         <dependency>
             <groupId>com.mchange</groupId>
             <artifactId>c3p0</artifactId>
-            <version>0.9.5.2</version>
+            <version>0.9.5.4</version>
         </dependency>
 
         <!--mybatis-->
diff --git a/springboot-swagger-ui/pom.xml b/springboot-swagger-ui/pom.xml
index dff48e7..e0fc743 100644
--- a/springboot-swagger-ui/pom.xml
+++ b/springboot-swagger-ui/pom.xml
@@ -42,7 +42,7 @@
         <dependency>
             <groupId>com.mchange</groupId>
             <artifactId>c3p0</artifactId>
-            <version>0.9.5.2</version>
+            <version>0.9.5.4</version>
             <exclusions>
                 <exclusion>
                     <groupId>commons-logging</groupId>