Add latest changes from gitlab-org/gitlab@master

2 files changed, 3 insertions, 3 deletions

diff --git a/doc/update/upgrading_from_source.md b/doc/update/upgrading_from_source.md
index 76ee456d75f..76a0d5bde98 100644
--- a/doc/update/upgrading_from_source.md
+++ b/doc/update/upgrading_from_source.md
@@ -98,7 +98,7 @@ sudo apt-get update
 sudo apt-get install yarn
 ```
 
-More information can be found on the [Yarn website](https://yarnpkg.com/en/docs/install).
+More information can be found on the [Yarn website](https://classic.yarnpkg.com/en/docs/install).
 
 ### 5. Update Go
 
diff --git a/doc/update/upgrading_postgresql_using_slony.md b/doc/update/upgrading_postgresql_using_slony.md
index 8189f0cba51..fdd035c7940 100644
--- a/doc/update/upgrading_postgresql_using_slony.md
+++ b/doc/update/upgrading_postgresql_using_slony.md
@@ -6,7 +6,7 @@ you have two database servers: one database server running an older version of
 PostgreSQL (e.g. 9.2.18) and one server running a newer version (e.g. 9.6.0).
 
 For this process we'll use a PostgreSQL replication tool called
-["Slony"](http://www.slony.info/). Slony allows replication between different
+["Slony"](https://www.slony.info/). Slony allows replication between different
 PostgreSQL versions and as such can be used to upgrade a cluster with a minimal
 amount of downtime.
 
@@ -57,7 +57,7 @@ server.
 ## Installing Slony
 
 Slony will be used to upgrade the database without requiring long downtimes.
-Slony can be downloaded from <http://www.slony.info/>. If you have installed
+Slony can be downloaded from <https://www.slony.info/>. If you have installed
 PostgreSQL using your operating system's package manager you may also be able to
 install Slony using said package manager.