diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index a40c67e..51e65e1
--- a/pom.xml
+++ b/pom.xml
@@ -28,8 +28,8 @@
     </developers>
 
     <properties>
-        <spring.version>4.1.1.RELEASE</spring.version>
-        <springframework.version>4.1.4.RELEASE</springframework.version>
+        <spring.version>5.2.20.RELEASE</spring.version>
+        <springframework.version>5.2.20.RELEASE</springframework.version>
         <jackson.databind-version>2.2.3</jackson.databind-version>
     </properties>
 
diff --git a/web/pom.xml b/web/pom.xml
index 3509f94..99f26d2 100644
--- a/web/pom.xml
+++ b/web/pom.xml
@@ -15,7 +15,7 @@
     <artifactId>web</artifactId>
 
     <properties>
-        <springframework.version>4.1.4.RELEASE</springframework.version>
+        <springframework.version>5.2.20.RELEASE</springframework.version>
         <quartz.version>2.2.1</quartz.version>
         <jackson.version>2.2.3</jackson.version>
         <tomcat.path>web</tomcat.path>
diff --git a/wemo/pom.xml b/wemo/pom.xml
index 48d24c9..6e25487 100644
--- a/wemo/pom.xml
+++ b/wemo/pom.xml
@@ -13,7 +13,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <properties>
-        <springframework.version>4.1.4.RELEASE</springframework.version>
+        <springframework.version>5.2.20.RELEASE</springframework.version>
         <quartz.version>2.2.1</quartz.version>
         <jackson.version>2.2.3</jackson.version>
     </properties>