diff --git a/Gemfile.lock b/Gemfile.lock
index 2c7d957eef..11c8b1c020 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -128,6 +128,7 @@ GEM
       activerecord (>= 5.0, < 7.2)
       request_store (~> 1.2)
     awesome_print (1.9.2)
+    base64 (0.2.0)
     better_errors (2.10.1)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
@@ -197,8 +198,7 @@ GEM
     discard (1.3.0)
       activerecord (>= 4.2, < 8)
     docile (1.4.0)
-    domain_name (0.5.20190701)
-      unf (>= 0.0.5, < 1.0.0)
+    domain_name (0.6.20240107)
     dotenv (2.8.1)
     dotenv-rails (2.8.1)
       dotenv (= 2.8.1)
@@ -271,7 +271,7 @@ GEM
     faraday-net_http_persistent (2.1.0)
       faraday (~> 2.5)
       net-http-persistent (~> 4.0)
-    ffi (1.15.5)
+    ffi (1.16.3)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
@@ -349,11 +349,12 @@ GEM
     hashie (5.0.0)
     html-attributes-utils (1.0.2)
       activesupport (>= 6.1.4.4)
-    http (5.1.1)
+    http (5.2.0)
       addressable (~> 2.8)
+      base64 (~> 0.1)
       http-cookie (~> 1.0)
       http-form_data (~> 2.2)
-      llhttp-ffi (~> 0.4.0)
+      llhttp-ffi (~> 0.5.0)
     http-cookie (1.0.5)
       domain_name (~> 0.5)
     http-form_data (2.3.0)
@@ -408,7 +409,7 @@ GEM
     listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    llhttp-ffi (0.4.0)
+    llhttp-ffi (0.5.0)
       ffi-compiler (~> 1.0)
       rake (~> 13.0)
     loofah (2.22.0)
@@ -717,9 +718,6 @@ GEM
       concurrent-ruby (~> 1.0)
     uber (0.1.0)
     uk_postcode (2.1.8)
-    unf (0.1.4)
-      unf_ext
-    unf_ext (0.0.8.2)
     unicode-display_width (2.5.0)
     uniform_notifier (1.16.0)
     uri (0.13.0)