diff --git a/.licensed.yml b/.licensed.yml
index cd9157732d2..9d60c1f7516 100644
--- a/.licensed.yml
+++ b/.licensed.yml
@@ -64,3 +64,4 @@ reviewed:
     - tilt # MIT
     - unf # BSD-2-Clause
     - unicorn # Ruby or GPLv2/GPLv3
+    - drb # BSD-2-Clause
diff --git a/Gemfile b/Gemfile
index 3ad49459686..b053716bfcd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -269,6 +269,10 @@ gem "cgi", ">= 0.3.6", require: false
 gem "tzinfo-data"
 gem "csv", require: false
 
+# TODO: Can be removed once we upgrade to Rails 7.1
+gem "mutex_m"
+gem "drb"
+
 # dependencies for the automation plugin
 gem "iso8601"
 gem "rrule"
diff --git a/Gemfile.lock b/Gemfile.lock
index adbc5ae5074..4bff9f2324c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -122,6 +122,7 @@ GEM
       faker (~> 2.16)
       literate_randomizer
     docile (1.4.0)
+    drb (2.2.1)
     email_reply_trimmer (0.1.13)
     erubi (1.12.0)
     excon (0.110.0)
@@ -233,6 +234,7 @@ GEM
     multi_xml (0.7.1)
       bigdecimal (~> 3.1)
     mustache (1.1.1)
+    mutex_m (0.2.0)
     net-http (0.4.1)
       uri
     net-imap (0.4.11)
@@ -575,6 +577,7 @@ DEPENDENCIES
   discourse-fonts
   discourse-seed-fu
   discourse_dev_assets
+  drb
   email_reply_trimmer
   excon
   execjs
@@ -613,6 +616,7 @@ DEPENDENCIES
   mocha
   multi_json
   mustache
+  mutex_m
   net-http
   net-imap
   net-pop