diff --git a/README.adoc b/README.adoc
index db227d7fe..5346e5f87 100644
--- a/README.adoc
+++ b/README.adoc
@@ -37,7 +37,7 @@ public class Application {
 It's just a Spring Boot application, so it can be built, run and
 tested, locally and in a CI build, the same way as any other Spring
 Boot application. The `Function` is from `java.util` and `Flux` is a
-http://www.reactive-streams.org/[Reactive Streams] `Publisher` from
+https://www.reactive-streams.org/[Reactive Streams] `Publisher` from
 https://projectreactor.io/[Project Reactor]. The function can be
 accessed over HTTP or messaging.
 
@@ -155,7 +155,7 @@ credentials and you already have those.
 
 The projects that require middleware generally include a
 `docker-compose.yml`, so consider using
-http://compose.docker.io/[Docker Compose] to run the middeware servers
+https://compose.docker.io/[Docker Compose] to run the middeware servers
 in Docker containers. See the README in the
 https://github.com/spring-cloud-samples/scripts[scripts demo
 repository] for specific instructions about the common cases of mongo,
@@ -177,13 +177,13 @@ a modified file in the correct place. Just commit it and push the change.
 
 === Working with the code
 If you don't have an IDE preference we would recommend that you use
-http://www.springsource.com/developer/sts[Spring Tools Suite] or
-http://eclipse.org[Eclipse] when working with the code. We use the
-http://eclipse.org/m2e/[m2eclipse] eclipse plugin for maven support. Other IDEs and tools
+https://www.springsource.com/developer/sts[Spring Tools Suite] or
+https://eclipse.org[Eclipse] when working with the code. We use the
+https://eclipse.org/m2e/[m2eclipse] eclipse plugin for maven support. Other IDEs and tools
 should also work without issue as long as they use Maven 3.3.3 or better.
 
 ==== Importing into eclipse with m2eclipse
-We recommend the http://eclipse.org/m2e/[m2eclipse] eclipse plugin when working with
+We recommend the https://eclipse.org/m2e/[m2eclipse] eclipse plugin when working with
 eclipse. If you don't already have m2eclipse installed it is available from the "eclipse
 marketplace".
 
@@ -239,7 +239,7 @@ added after the original pull request but before a merge.
   `eclipse-code-formatter.xml` file from the
   https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/spring-cloud-dependencies-parent/eclipse-code-formatter.xml[Spring
   Cloud Build] project. If using IntelliJ, you can use the
-  http://plugins.jetbrains.com/plugin/6546[Eclipse Code Formatter
+  https://plugins.jetbrains.com/plugin/6546[Eclipse Code Formatter
   Plugin] to import the same file.
 * Make sure all new `.java` files to have a simple Javadoc class comment with at least an
   `@author` tag identifying you, and preferably at least a paragraph on what the class is
@@ -252,6 +252,6 @@ added after the original pull request but before a merge.
 * A few unit tests would help a lot as well -- someone has to do it.
 * If no-one else is using your branch, please rebase it against the current master (or
   other target branch in the main project).
-* When writing a commit message please follow http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html[these conventions],
+* When writing a commit message please follow https://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html[these conventions],
   if you are fixing an existing issue please add `Fixes gh-XXXX` at the end of the commit
   message (where XXXX is the issue number).
\ No newline at end of file
diff --git a/docs/src/main/asciidoc/intro.adoc b/docs/src/main/asciidoc/intro.adoc
index 7bdb3e8ff..12132de7f 100644
--- a/docs/src/main/asciidoc/intro.adoc
+++ b/docs/src/main/asciidoc/intro.adoc
@@ -31,7 +31,7 @@ public class Application {
 It's just a Spring Boot application, so it can be built, run and
 tested, locally and in a CI build, the same way as any other Spring
 Boot application. The `Function` is from `java.util` and `Flux` is a
-http://www.reactive-streams.org/[Reactive Streams] `Publisher` from
+https://www.reactive-streams.org/[Reactive Streams] `Publisher` from
 https://projectreactor.io/[Project Reactor]. The function can be
 accessed over HTTP or messaging.
 
diff --git a/spring-cloud-function-deployer/src/test/resources/app/META-INF/MANIFEST.MF b/spring-cloud-function-deployer/src/test/resources/app/META-INF/MANIFEST.MF
index d1f4a9c13..30a673069 100644
--- a/spring-cloud-function-deployer/src/test/resources/app/META-INF/MANIFEST.MF
+++ b/spring-cloud-function-deployer/src/test/resources/app/META-INF/MANIFEST.MF
@@ -10,5 +10,5 @@ Main-Class: org.springframework.boot.loader.JarLauncher
 Start-Class: org.springframework.cloud.function.test.FunctionApp
 Created-By: Apache Maven 3.5.0
 Build-Jdk: 1.8.0_131
-Implementation-URL: http://projects.spring.io/spring-boot/function-sam
+Implementation-URL: https://projects.spring.io/spring-boot/function-sam
  ple/
\ No newline at end of file