diff --git a/web-background/pom.xml b/web-background/pom.xml
index aae4f34..dc1e91e 100644
--- a/web-background/pom.xml
+++ b/web-background/pom.xml
@@ -154,7 +154,7 @@
     <dependency>
       <groupId>com.mchange</groupId>
       <artifactId>c3p0</artifactId>
-      <version>0.9.5.2</version>
+      <version>0.9.5.4</version>
     </dependency>
     <dependency>
       <groupId>mysql</groupId>