diff --git a/.settings.xml b/.settings.xml
index 6c35512..08951ca 100644
--- a/.settings.xml
+++ b/.settings.xml
@@ -21,7 +21,7 @@
 		<repository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>http://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/libs-snapshot-local</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -29,7 +29,7 @@
 		<repository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>http://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/libs-milestone-local</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -37,7 +37,7 @@
 		<repository>
 			<id>spring-releases</id>
 			<name>Spring Releases</name>
-			<url>http://repo.spring.io/release</url>
+			<url>https://repo.spring.io/release</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
@@ -47,7 +47,7 @@
 		<pluginRepository>
 			<id>spring-snapshots</id>
 			<name>Spring Snapshots</name>
-			<url>http://repo.spring.io/libs-snapshot-local</url>
+			<url>https://repo.spring.io/libs-snapshot-local</url>
 			<snapshots>
 				<enabled>true</enabled>
 			</snapshots>
@@ -55,7 +55,7 @@
 		<pluginRepository>
 			<id>spring-milestones</id>
 			<name>Spring Milestones</name>
-			<url>http://repo.spring.io/libs-milestone-local</url>
+			<url>https://repo.spring.io/libs-milestone-local</url>
 			<snapshots>
 				<enabled>false</enabled>
 			</snapshots>
diff --git a/docs/pom.xml b/docs/pom.xml
index ad6ed86..4a34138 100644
--- a/docs/pom.xml
+++ b/docs/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
 		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<parent>
 		<artifactId>spring-cloud-circuitbreaker</artifactId>
 		<groupId>org.springframework.cloud</groupId>
diff --git a/pom.xml b/pom.xml
index 54902d8..84391c5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>org.springframework.cloud</groupId>
diff --git a/spring-cloud-circuitbreaker-commons/pom.xml b/spring-cloud-circuitbreaker-commons/pom.xml
index 18964ef..f430ecd 100644
--- a/spring-cloud-circuitbreaker-commons/pom.xml
+++ b/spring-cloud-circuitbreaker-commons/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>spring-cloud-circuitbreaker</artifactId>
         <groupId>org.springframework.cloud</groupId>
diff --git a/spring-cloud-circuitbreaker-dependencies/pom.xml b/spring-cloud-circuitbreaker-dependencies/pom.xml
index e430861..ca63ecc 100644
--- a/spring-cloud-circuitbreaker-dependencies/pom.xml
+++ b/spring-cloud-circuitbreaker-dependencies/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <parent>
diff --git a/spring-cloud-circuitbreaker-hystrix/pom.xml b/spring-cloud-circuitbreaker-hystrix/pom.xml
index 8278e9f..ca80df0 100644
--- a/spring-cloud-circuitbreaker-hystrix/pom.xml
+++ b/spring-cloud-circuitbreaker-hystrix/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>spring-cloud-circuitbreaker</artifactId>
         <groupId>org.springframework.cloud</groupId>
diff --git a/spring-cloud-circuitbreaker-resilience4j/pom.xml b/spring-cloud-circuitbreaker-resilience4j/pom.xml
index ec65522..a271f52 100644
--- a/spring-cloud-circuitbreaker-resilience4j/pom.xml
+++ b/spring-cloud-circuitbreaker-resilience4j/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>spring-cloud-circuitbreaker</artifactId>
         <groupId>org.springframework.cloud</groupId>
diff --git a/spring-cloud-circuitbreaker-sentinel/pom.xml b/spring-cloud-circuitbreaker-sentinel/pom.xml
index 40441fa..86315b8 100644
--- a/spring-cloud-circuitbreaker-sentinel/pom.xml
+++ b/spring-cloud-circuitbreaker-sentinel/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>spring-cloud-circuitbreaker</artifactId>
         <groupId>org.springframework.cloud</groupId>
diff --git a/spring-cloud-starter-circuitbreaker/pom.xml b/spring-cloud-starter-circuitbreaker/pom.xml
index 9708ce5..f398e43 100644
--- a/spring-cloud-starter-circuitbreaker/pom.xml
+++ b/spring-cloud-starter-circuitbreaker/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>spring-cloud-circuitbreaker</artifactId>
         <groupId>org.springframework.cloud</groupId>
diff --git a/spring-cloud-starter-circuitbreaker/spring-cloud-starter-circuitbreaker-hystrix/pom.xml b/spring-cloud-starter-circuitbreaker/spring-cloud-starter-circuitbreaker-hystrix/pom.xml
index d61ff1a..ad4b5c9 100644
--- a/spring-cloud-starter-circuitbreaker/spring-cloud-starter-circuitbreaker-hystrix/pom.xml
+++ b/spring-cloud-starter-circuitbreaker/spring-cloud-starter-circuitbreaker-hystrix/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>spring-cloud-starter-circuitbreaker</artifactId>
         <groupId>org.springframework.cloud</groupId>
diff --git a/spring-cloud-starter-circuitbreaker/spring-cloud-starter-circuitbreaker-resilience4j/pom.xml b/spring-cloud-starter-circuitbreaker/spring-cloud-starter-circuitbreaker-resilience4j/pom.xml
index 330b588..8ca0b6a 100644
--- a/spring-cloud-starter-circuitbreaker/spring-cloud-starter-circuitbreaker-resilience4j/pom.xml
+++ b/spring-cloud-starter-circuitbreaker/spring-cloud-starter-circuitbreaker-resilience4j/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>spring-cloud-starter-circuitbreaker</artifactId>
         <groupId>org.springframework.cloud</groupId>
diff --git a/spring-cloud-starter-circuitbreaker/spring-cloud-starter-circuitbreaker-sentinel/pom.xml b/spring-cloud-starter-circuitbreaker/spring-cloud-starter-circuitbreaker-sentinel/pom.xml
index 1af9d7a..3c00eba 100644
--- a/spring-cloud-starter-circuitbreaker/spring-cloud-starter-circuitbreaker-sentinel/pom.xml
+++ b/spring-cloud-starter-circuitbreaker/spring-cloud-starter-circuitbreaker-sentinel/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>spring-cloud-starter-circuitbreaker</artifactId>
         <groupId>org.springframework.cloud</groupId>