Replace unsafe http URLs with https URLs

5 files changed, 8 insertions, 8 deletions

diff --git a/doc/contributing/COMMUNITY.md b/doc/contributing/COMMUNITY.md
index 053938ad07..7196ae7d1c 100644
--- a/doc/contributing/COMMUNITY.md
+++ b/doc/contributing/COMMUNITY.md
@@ -4,10 +4,10 @@ Community is an important part of all we do. If you’d like to be part of the B
 
 It would be tremendously helpful to have more people answering questions about Bundler (and often simply about [RubyGems](https://github.com/rubygems/rubygems) or Ruby itself) in our [issue tracker](https://github.com/bundler/bundler/issues) or on [Stack Overflow](http://stackoverflow.com/questions/tagged/bundler).
 
-Additional documentation and explanation is always helpful, too. If you have any suggestions for the Bundler website [bundler.io](http://bundler.io), we would absolutely love it if you opened an issue or pull request on the [bundler-site](https://github.com/bundler/bundler-site) repository.
+Additional documentation and explanation is always helpful, too. If you have any suggestions for the Bundler website [bundler.io](https://bundler.io), we would absolutely love it if you opened an issue or pull request on the [bundler-site](https://github.com/bundler/bundler-site) repository.
 
 Sharing your experiences and discoveries by writing them up is a valuable way to help others who have similar problems or experiences in the future. You can write a blog post, create an example and commit it to GitHub, take screenshots, or make videos.
 
 Publishing examples of how Bundler is used helps everyone, and we’ve discovered that people already use it in ways that we never imagined when we were writing it. If you’re still not sure what to write about, there are also several projects doing interesting things based on Bundler. They could probably use publicity too.
 
-Finally, all contributors to the Bundler project must agree to the contributor [code of conduct](http://bundler.io/conduct.html). By participating in this project you agree to abide by its terms.
+Finally, all contributors to the Bundler project must agree to the contributor [code of conduct](https://bundler.io/conduct.html). By participating in this project you agree to abide by its terms.
diff --git a/doc/contributing/GETTING_HELP.md b/doc/contributing/GETTING_HELP.md
index 55ccb5f5e9..11b5bf9b5e 100644
--- a/doc/contributing/GETTING_HELP.md
+++ b/doc/contributing/GETTING_HELP.md
@@ -5,7 +5,7 @@ If you have any questions after reading the documentation for contributing, plea
 The best ways to get in touch are:
 
 * [Bundler Slack](https://bundler.slack.com).
-  * Not a member of the Slack? Join the Bundler team slack [here](http://slack.bundler.io/)!
+  * Not a member of the Slack? Join the Bundler team slack [here](https://slack.bundler.io/)!
 * [Bundler mailing list](http://groups.google.com/group/ruby-bundler)
 
 You may also find our guide on [filing issues](ISSUES.md) to be helpful as well!
diff --git a/doc/contributing/HOW_YOU_CAN_HELP.md b/doc/contributing/HOW_YOU_CAN_HELP.md
index 284bae07b2..68cbe85967 100644
--- a/doc/contributing/HOW_YOU_CAN_HELP.md
+++ b/doc/contributing/HOW_YOU_CAN_HELP.md
@@ -14,7 +14,7 @@ Generally, great ways to get started helping out with Bundler are:
   - [reporting bugs you encounter or suggesting new features](https://github.com/bundler/bundler/issues/new)
     - see our [issues guide](ISSUES.md) for help on filing issues
     - see the [new features documentation](../development/NEW_FEATURES.md) for more
-  - adding to or editing [the Bundler documentation website](http://bundler.io) and [Bundler man pages](http://bundler.io/man/bundle.1.html)
+  - adding to or editing [the Bundler documentation website](https://bundler.io) and [Bundler man pages](https://bundler.io/man/bundle.1.html)
   - [checking issues for completeness](BUG_TRIAGE.md)
   - closing issues that are not complete
   - adding a failing test for reproducible [reported bugs](https://github.com/bundler/bundler/issues)
@@ -24,4 +24,4 @@ Generally, great ways to get started helping out with Bundler are:
     - get started setting up your dev environment with [these instructions](../development/SETUP.md)
   - backfilling [unit tests](https://github.com/bundler/bundler/tree/master/spec/bundler) for modules that lack [coverage](https://codeclimate.com/github/bundler/bundler/coverage)
 
-If nothing on those lists looks good, [talk to us](http://slack.bundler.io/), and we'll figure out what you can help with. We can absolutely use your help, no matter what level of programming skill you have at the moment.
+If nothing on those lists looks good, [talk to us](https://slack.bundler.io/), and we'll figure out what you can help with. We can absolutely use your help, no matter what level of programming skill you have at the moment.
diff --git a/doc/contributing/ISSUES.md b/doc/contributing/ISSUES.md
index 219a775719..361350badd 100644
--- a/doc/contributing/ISSUES.md
+++ b/doc/contributing/ISSUES.md
@@ -6,9 +6,9 @@ Before filing an issue, check our [troubleshooting guide](../TROUBLESHOOTING.md)
 
 ## Documentation
 
-Instructions for common Bundler uses can be found on the [Bundler documentation site](http://bundler.io/).
+Instructions for common Bundler uses can be found on the [Bundler documentation site](https://bundler.io/).
 
-Detailed information about each Bundler command, including help with common problems, can be found in the [Bundler man pages](http://bundler.io/man/bundle.1.html) or [Bundler Command Line Reference](http://bundler.io/v1.11/commands.html).
+Detailed information about each Bundler command, including help with common problems, can be found in the [Bundler man pages](https://bundler.io/man/bundle.1.html) or [Bundler Command Line Reference](https://bundler.io/v1.11/commands.html).
 
 ## Reporting unresolved problems
 
diff --git a/doc/contributing/README.md b/doc/contributing/README.md
index 624e37cb73..a068ee5cb9 100644
--- a/doc/contributing/README.md
+++ b/doc/contributing/README.md
@@ -1,6 +1,6 @@
 # Bundler Contributor Guidelines
 
-Thank you for your interest in making Bundler better! We welcome contributions from everyone. Dozens of contributors like you have submitted feature improvements, fixed bugs, and written new documentation. [Join the Bundler Slack community](http://slack.bundler.io/) to connect with the Bundler core team and other contributors like you.
+Thank you for your interest in making Bundler better! We welcome contributions from everyone. Dozens of contributors like you have submitted feature improvements, fixed bugs, and written new documentation. [Join the Bundler Slack community](https://slack.bundler.io/) to connect with the Bundler core team and other contributors like you.
 
 Before submitting a contribution, read through the following guidelines: