diff --git a/Gemfile.lock b/Gemfile.lock
index b59c16f..e1c5c20 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,9 +8,9 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
-    autoprefixer-rails (10.3.3.0)
+    autoprefixer-rails (10.4.2.0)
       execjs (~> 2)
-    backports (3.21.0)
+    backports (3.23.0)
     chronic (0.10.2)
     chunky_png (1.4.0)
     coffee-script (2.4.1)
@@ -40,9 +40,9 @@ GEM
     eventmachine (1.2.7)
     execjs (2.8.1)
     fast_blank (1.0.1)
-    fastimage (2.2.5)
-    ffi (1.15.4)
-    govuk_tech_docs (3.0.1)
+    fastimage (2.2.6)
+    ffi (1.15.5)
+    govuk_tech_docs (3.1.0)
       autoprefixer-rails (~> 10.2)
       chronic (~> 0.10.2)
       middleman (~> 4.0)
@@ -121,13 +121,13 @@ GEM
     middleman-syntax (3.2.0)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
-    mini_portile2 (2.6.1)
-    minitest (5.14.4)
+    mini_portile2 (2.7.1)
+    minitest (5.15.0)
     multi_json (1.15.0)
-    nokogiri (1.12.5)
-      mini_portile2 (~> 2.6.1)
+    nokogiri (1.13.1)
+      mini_portile2 (~> 2.7.0)
       racc (~> 1.4)
-    openapi3_parser (0.9.0)
+    openapi3_parser (0.9.1)
       commonmarker (~> 0.17)
       psych (~> 3.1)
     padrino-helpers (0.13.3.4)
@@ -148,7 +148,7 @@ GEM
       ffi (~> 1.0)
     redcarpet (3.5.1)
     rexml (3.2.5)
-    rouge (3.26.1)
+    rouge (3.27.0)
     sass (3.4.25)
     sassc (2.4.0)
       ffi (~> 1.9)
@@ -157,7 +157,7 @@ GEM
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     temple (0.8.2)
-    thor (1.1.0)
+    thor (1.2.1)
     thread_safe (0.3.6)
     tilt (2.0.10)
     tzinfo (1.2.9)