diff --git a/Gemfile b/Gemfile
index 5255fddc9..57553740a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -113,7 +113,7 @@ gem "ulid", "~> 1.3" # Universally Unique Lexicographically Sortable Identifier
 gem "validate_url", "~> 1.0" # Library for validating urls in Rails
 gem "vault", "~> 0.16" # Used to store secrets
 gem "wcag_color_contrast", "~> 0.1" # Detect contrast of colors to determine readability and a11y.
-gem "webpacker", "~> 5.3.0" # Use webpack to manage app-like JavaScript modules in Rails
+gem "webpacker", "~> 5.4.0" # Use webpack to manage app-like JavaScript modules in Rails
 
 group :development do
   gem "better_errors", "~> 2.9" # Provides a better error page for Rails and other Rack apps
diff --git a/Gemfile.lock b/Gemfile.lock
index 9d8fba2ba..c51748b7a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -819,7 +819,7 @@ GEM
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webpacker (5.3.0)
+    webpacker (5.4.0)
       activesupport (>= 5.2)
       rack-proxy (>= 0.6.1)
       railties (>= 5.2)
@@ -992,7 +992,7 @@ DEPENDENCIES
   web-console (~> 4.1)
   webdrivers (~> 4.6)
   webmock (~> 3.13)
-  webpacker (~> 5.3.0)
+  webpacker (~> 5.4.0)
   yard (~> 0.9.26)
   yard-activerecord (~> 0.0.16)
   yard-activesupport-concern (~> 0.0.1)
diff --git a/vendor/cache/webpacker-5.3.0.gem b/vendor/cache/webpacker-5.3.0.gem
deleted file mode 100644
index c7b1e0d79..000000000
Binary files a/vendor/cache/webpacker-5.3.0.gem and /dev/null differ
diff --git a/vendor/cache/webpacker-5.4.0.gem b/vendor/cache/webpacker-5.4.0.gem
new file mode 100644
index 000000000..a9636d7c2
Binary files /dev/null and b/vendor/cache/webpacker-5.4.0.gem differ