diff --git a/Gemfile.lock b/Gemfile.lock
index 68979b066..aa7c392c2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -181,13 +181,13 @@ GEM
       rake (>= 13)
     googleapis-common-protos-types (1.16.0)
       google-protobuf (>= 3.18, < 5.a)
-    govspeak (8.3.4)
-      actionview (>= 6)
-      addressable (>= 2.3.8, < 3)
-      govuk_publishing_components (>= 35.1)
+    govspeak (8.4.0)
+      actionview (>= 6, < 7.2.2)
+      addressable (>= 2.3.8, < 2.8.8)
+      govuk_publishing_components (>= 35.1, < 43.5.1)
       htmlentities (~> 4)
-      i18n (>= 0.7)
-      kramdown (>= 2.3.1)
+      i18n (>= 0.7, < 1.14.7)
+      kramdown (>= 2.3.1, < 2.4.1)
       nokogiri (~> 1.12)
       rinku (~> 2.0)
       sanitize (~> 6)