diff --git a/Gemfile b/Gemfile
index 0a0400c..e3bf920 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ gem "erubis", "2.7.0"
 gem "govuk_app_config"
 gem "nokogiri", "1.10.10"
 gem "optic14n", "2.0.1" # Ideally version should be synced with Transition
-gem "pg", "1.2.3"
+gem "pg", "1.4.6"
 gem "rack", "~> 2.2.3"
 gem "rake", "13.0.1"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 8421dbb..3e45af3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -58,7 +58,7 @@ GEM
     parallel (1.19.2)
     parser (2.7.2.0)
       ast (~> 2.4.1)
-    pg (1.2.3)
+    pg (1.4.6)
     pry (0.13.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -145,7 +145,7 @@ DEPENDENCIES
   mr-sparkle (= 0.3.0)
   nokogiri (= 1.10.10)
   optic14n (= 2.0.1)
-  pg (= 1.2.3)
+  pg (= 1.4.6)
   pry
   rack (~> 2.2.3)
   rack-test (= 1.1.0)