diff --git a/.env.development b/.env.development
index 9225b9d7..49f7a24a 100644
--- a/.env.development
+++ b/.env.development
@@ -23,5 +23,11 @@ GLOBAL_MESSAGE_URL="define GLOBAL_MESSAGE_URL"
 # new in V8
 BOOTSNAP_CACHE_DIR=./tmp
 
+# 2FA registration
+EMAIL_2FA_REGISTRATION_URL="define EMAIL_2FA_REGISTRATION_URL"
+EMAIL_2FA_REGISTRATION_REDIRECT_URL="define EMAIL_2FA_REGISTRATION_REDIRECT_URL"
+EMAIL_2FA_ACTION="define EMAIL_2FA_ACTION"
+ABOUT_2FA_URL=https://www.nla.gov.au/using-library/getting-started/getting-started-catalogue/two-factor-authentication
+
 # turn of functionality during FOLIO update
 FOLIO_UPDATE_IN_PROGRESS=
diff --git a/.env.staging b/.env.staging
index 70513cf8..b01cf6bc 100644
--- a/.env.staging
+++ b/.env.staging
@@ -14,5 +14,11 @@ SOLR_COLLECTION=arclight
 # new in V8
 BOOTSNAP_CACHE_DIR=./tmp
 
+# 2FA registration
+EMAIL_2FA_REGISTRATION_URL="define EMAIL_2FA_REGISTRATION_URL"
+EMAIL_2FA_REGISTRATION_REDIRECT_URL="define EMAIL_2FA_REGISTRATION_REDIRECT_URL"
+EMAIL_2FA_ACTION="define EMAIL_2FA_ACTION"
+ABOUT_2FA_URL=https://www.nla.gov.au/using-library/getting-started/getting-started-catalogue/two-factor-authentication
+
 # turn of functionality during FOLIO update
 FOLIO_UPDATE_IN_PROGRESS=
diff --git a/Gemfile b/Gemfile
index 1a616d0d..e5aed29e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -89,7 +89,7 @@ gem "blacklight-locale_picker"
 gem "zk", "~> 1.10"
 gem "nokogiri", ">= 1.13.9"
 
-gem "nla-blacklight_common", git: "https://github.com/nla/nla-blacklight_common", branch: "main"
+gem "nla-blacklight_common", git: "https://github.com/nla/nla-blacklight_common", tag: "0.2.4"
 gem "blacklight_range_limit", git: "https://github.com/nla/blacklight_range_limit", branch: "main"
 # For local development, comment out above ⤴️ and uncomment below ⤵️
 # gem "nla-blacklight_common", path: "../nla-blacklight_common"
diff --git a/Gemfile.lock b/Gemfile.lock
index 83fccb7e..399bc81e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,10 +10,10 @@ GIT
 
 GIT
   remote: https://github.com/nla/nla-blacklight_common
-  revision: fd8a98ada115b9f04389ab10cfb2a31e1b3bc4de
-  branch: main
+  revision: 0e8347c3a835b5fe81793e9920120f751ed65d5d
+  tag: 0.2.4
   specs:
-    nla-blacklight_common (0.2.3)
+    nla-blacklight_common (0.2.4)
       activerecord-session_store (~> 2.0)
       annotaterb
       blacklight (>= 8.0.0, < 9)