Update links to external sites

2 files changed, 6 insertions, 6 deletions

diff --git a/doc/administration/high_availability/redis.md b/doc/administration/high_availability/redis.md
index b5d1ff698c6..dcee57def74 100644
--- a/doc/administration/high_availability/redis.md
+++ b/doc/administration/high_availability/redis.md
@@ -15,7 +15,7 @@ Omnibus GitLab packages.
 
 > **Notes:**
 > - Redis requires authentication for High Availability. See
->  [Redis Security](http://redis.io/topics/security) documentation for more
+>  [Redis Security](https://redis.io/topics/security) documentation for more
 >  information. We recommend using a combination of a Redis password and tight
 >  firewall rules to secure your Redis service.
 > - You are highly encouraged to read the [Redis Sentinel][sentinel] documentation
@@ -82,7 +82,7 @@ When a **Master** fails to respond, it's the application's responsibility
 for a new **Master**).
 
 To get a better understanding on how to correctly set up Sentinel, please read
-the [Redis Sentinel documentation](http://redis.io/topics/sentinel) first, as
+the [Redis Sentinel documentation](https://redis.io/topics/sentinel) first, as
 failing to configure it correctly can lead to data loss or can bring your
 whole cluster down, invalidating the failover effort.
 
@@ -885,8 +885,8 @@ Read more on High Availability:
 [reconfigure]: ../restart_gitlab.md#omnibus-gitlab-reconfigure
 [gh-531]: https://github.com/redis/redis-rb/issues/531
 [gh-534]: https://github.com/redis/redis-rb/issues/534
-[redis]: http://redis.io/
-[sentinel]: http://redis.io/topics/sentinel
+[redis]: https://redis.io/
+[sentinel]: https://redis.io/topics/sentinel
 [omnifile]: https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/files/gitlab-cookbooks/gitlab/libraries/gitlab_rails.rb
 [source]: ../../install/installation.md
 [ce]: https://about.gitlab.com/downloads
diff --git a/doc/administration/high_availability/redis_source.md b/doc/administration/high_availability/redis_source.md
index 5823c575251..2101d36d2b6 100644
--- a/doc/administration/high_availability/redis_source.md
+++ b/doc/administration/high_availability/redis_source.md
@@ -107,7 +107,7 @@ starting with `sentinel` prefix.
 Assuming that the Redis Sentinel is installed on the same instance as Redis
 master with IP `10.0.0.1` (some settings might overlap with the master):
 
-1. [Install Redis Sentinel](http://redis.io/topics/sentinel)
+1. [Install Redis Sentinel](https://redis.io/topics/sentinel)
 1. Edit `/etc/redis/sentinel.conf`:
 
     ```conf
@@ -363,7 +363,7 @@ production:
       port: 26379 # point to sentinel, not to redis port
 ```
 
-When in doubt, please read [Redis Sentinel documentation](http://redis.io/topics/sentinel).
+When in doubt, please read [Redis Sentinel documentation](https://redis.io/topics/sentinel).
 
 [gh-531]: https://github.com/redis/redis-rb/issues/531
 [downloads]: https://about.gitlab.com/downloads