diff --git a/terminus-core/yarn.lock b/terminus-core/yarn.lock
index 9fab672d..c04fe534 100644
--- a/terminus-core/yarn.lock
+++ b/terminus-core/yarn.lock
@@ -149,9 +149,9 @@ debug@^4.1.1:
     ms "^2.1.1"
 
 deepmerge@^4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/deepmerge/-/deepmerge-4.1.1.tgz#ee0866e4019fe62c1276b9062d4c4803d9aea14c"
-  integrity sha512-+qO5WbNBKBaZez95TffdUDnGIo4+r5kmsX8aOb7PDHvXsTbghAmleuxjs6ytNaf5Eg4FGBXDS5vqO61TRi6BMg==
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/deepmerge/-/deepmerge-4.2.1.tgz#018a3e5dfe82b95e35e36a9a29ba15ddb194e40f"
+  integrity sha512-32P7FIV6JKt0hPMFNlWFytzVGpppYHFKdnhFUEMXheWc8Lw4HnHEzJa5yxhaQedDAXv2SI6zD7+UbqnC5k9g9Q==
 
 diagnostics@^1.1.1:
   version "1.1.1"