diff --git a/.dassie/Gemfile b/.dassie/Gemfile
index d5d1245041..4428339293 100644
--- a/.dassie/Gemfile
+++ b/.dassie/Gemfile
@@ -41,7 +41,7 @@ gem 'turbolinks', '~> 5'
 gem 'twitter-typeahead-rails', '0.11.1.pre.corejavascript'
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 gem 'uglifier', '>= 1.3.0'
-gem 'activerecord-nulldb-adapter', git: 'https://github.com/taylorthurlow/nulldb', branch: 'fix/activerecord72-register-adapter'
+gem 'activerecord-nulldb-adapter', '~> 1.1'
 gem 'hydra-editor', github: 'samvera/hydra-editor', branch: 'revert_and_modernize'
 
 group :development do
diff --git a/.koppie/Gemfile b/.koppie/Gemfile
index c2c630f55a..0bfbac24e0 100644
--- a/.koppie/Gemfile
+++ b/.koppie/Gemfile
@@ -41,7 +41,7 @@ gem 'turbolinks', '~> 5'
 gem 'twitter-typeahead-rails', '0.11.1.pre.corejavascript'
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 gem 'uglifier', '>= 1.3.0'
-gem 'activerecord-nulldb-adapter', git: 'https://github.com/taylorthurlow/nulldb', branch: 'fix/activerecord72-register-adapter'
+gem 'activerecord-nulldb-adapter', '~> 1.1'
 gem 'hydra-editor', github: 'samvera/hydra-editor', branch: 'revert_and_modernize'
 
 group :development do