diff --git a/package.json b/package.json
index 1df30f1be0..e30fd6e147 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "@stimulus-components/rails-nested-form": "^5.0.0",
     "cable_ready": "5.0.6",
     "flatpickr": "^4.6.9",
-    "foundation-sites": "^5.5.3",
+    "foundation-sites": "5.5.3",
     "hotkeys-js": "^3.13.15",
     "jquery-ui": "1.14.1",
     "js-big-decimal": "^2.2.0",
diff --git a/yarn.lock b/yarn.lock
index cd2df713ec..e884458b09 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4731,7 +4731,7 @@ forwarded@0.2.0:
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.2.0.tgz#2269936428aad4c15c7ebe9779a84bf0b2a81811"
   integrity sha512-buRG0fpBtRHSTCOASe6hD258tEubFoRLb4ZNA6NxMVHNw2gOcwHo9wyablzMzOA5z9xA9L1KNjk/Nt6MT9aYow==
 
-foundation-sites@^5.5.3:
+foundation-sites@5.5.3:
   version "5.5.3"
   resolved "https://registry.yarnpkg.com/foundation-sites/-/foundation-sites-5.5.3.tgz#6556eb2b31cde3b226630116bd215d95d056c0a7"
   integrity sha512-z0NZl6Orkmeu0yhgjl3a8Ecd3frjEichn9IqocQX2jHMv9Ecd6UOPWS85f1YJXdCF6bHqnekGkrcWQ37ciR0Pw==