diff --git a/Gemfile b/Gemfile
index 68e172ff..892d2bf8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ gem "sqlite3"
 gem "puma"
 
 gem "sprockets-rails"
-gem "cssbundling-rails"
+gem "cssbundling-rails", "1.4.2" # TODO: relax this dependency when rails/cssbundling-rails#169 will be fixed
 gem "importmap-rails"
 
 gem "activeadmin", "4.0.0.beta18" # github: "activeadmin/activeadmin", branch: "master"
diff --git a/Gemfile.lock b/Gemfile.lock
index 9e67baa0..daa8ac4d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
     concurrent-ruby (1.3.5)
     connection_pool (2.5.4)
     crass (1.0.6)
-    cssbundling-rails (1.4.3)
+    cssbundling-rails (1.4.2)
       railties (>= 6.0.0)
     csv (3.3.5)
     date (3.5.0)
@@ -141,7 +141,7 @@ GEM
       railties (>= 7.0)
       responders (>= 2)
     io-console (0.8.1)
-    irb (1.15.2)
+    irb (1.15.3)
       pp (>= 0.6.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
@@ -312,7 +312,7 @@ PLATFORMS
 DEPENDENCIES
   activeadmin (= 4.0.0.beta18)
   capybara
-  cssbundling-rails
+  cssbundling-rails (= 1.4.2)
   debug
   devise
   importmap-rails