diff --git a/CODE_OF_CONDUCT.adoc b/CODE_OF_CONDUCT.adoc
index f64fb1b..33ae7bc 100644
--- a/CODE_OF_CONDUCT.adoc
+++ b/CODE_OF_CONDUCT.adoc
@@ -24,4 +24,4 @@ Instances of abusive, harassing, or otherwise unacceptable behavior may be repor
 All complaints will be reviewed and investigated and will result in a response that is deemed necessary and appropriate to the circumstances.
 Maintainers are obligated to maintain confidentiality with regard to the reporter of an incident.
 
-This Code of Conduct is adapted from the http://contributor-covenant.org[Contributor Covenant], version 1.3.0, available at http://contributor-covenant.org/version/1/3/0/[contributor-covenant.org/version/1/3/0/].
\ No newline at end of file
+This Code of Conduct is adapted from the https://contributor-covenant.org[Contributor Covenant], version 1.3.0, available at https://contributor-covenant.org/version/1/3/0/[contributor-covenant.org/version/1/3/0/].
\ No newline at end of file
diff --git a/README.adoc b/README.adoc
index 6439d98..0b431c1 100644
--- a/README.adoc
+++ b/README.adoc
@@ -1,6 +1,6 @@
 image::https://build.spring.io/plugins/servlet/wittified/build-status/SPRINGCREDHUB-CORE[Build Status,link=https://build.spring.io/browse/SPRINGCREDHUB-CORE]
 
-image::https://spring.io/badges/spring-credhub/snapshot.svg[link=http://projects.spring.io/spring-credhub#quick-start]
+image::https://spring.io/badges/spring-credhub/snapshot.svg[link=https://projects.spring.io/spring-credhub#quick-start]
 
 = Spring CredHub
 
@@ -27,8 +27,8 @@ $ ./gradlew install
 === 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. 
+https://www.springsource.com/developer/sts[Spring Tools Suite] or
+https://eclipse.org[Eclipse] when working with the code. 
 
 == Contributing
 
@@ -59,7 +59,7 @@ added after the original pull request but before a merge.
   you can import formatter settings using the
   `eclipse-code-formatter.xml` file from the
   link:/etc/ide/eclipse-code-formatter.xml[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 Javadoc class comment with at least an
   `@author` tag identifying you, and preferably at least a paragraph on what the class is
@@ -71,6 +71,6 @@ added after the original pull request but before a merge.
 * Please include unit tests.
 * 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).
diff --git a/spring-credhub-demo/README.adoc b/spring-credhub-demo/README.adoc
index 61ce0dd..39c4cb3 100644
--- a/spring-credhub-demo/README.adoc
+++ b/spring-credhub-demo/README.adoc
@@ -1,6 +1,6 @@
 = Spring CredHub Demo
 
-This application can be used to test CredHub connectivity by deploying it to a Cloud Foundry platform that has CredHub installed. The demo application includes a deployment manifest that makes it simple to deploy the application. Use the http://docs.cloudfoundry.org/cf-cli/getting-started.html[`cf` CLI] to target and authenticate to a Cloud Foundry platform, and run the following commands:
+This application can be used to test CredHub connectivity by deploying it to a Cloud Foundry platform that has CredHub installed. The demo application includes a deployment manifest that makes it simple to deploy the application. Use the https://docs.cloudfoundry.org/cf-cli/getting-started.html[`cf` CLI] to target and authenticate to a Cloud Foundry platform, and run the following commands:
 
 ----
 $ ../gradlew assemble
@@ -10,7 +10,7 @@ $ cf push -f manifest.yml
 After deploying the application, send an HTTP request to the demo application with this command:
 
 ----
-$ curl -X POST http://spring-credhub-demo.cf.example.com/test -d @demo.json -H "Content-type: application/json"
+$ curl -X POST https://spring-credhub-demo.cf.example.com/test -d @demo.json -H "Content-type: application/json"
 ----
 
 The application will write, retrieve, and delete a set of JSON credentials in CredHub and show the results of each request.