diff --git a/tabby-core/yarn.lock b/tabby-core/yarn.lock
index 88ca5086..6625b0d0 100644
--- a/tabby-core/yarn.lock
+++ b/tabby-core/yarn.lock
@@ -75,9 +75,9 @@ debug@4:
     ms "2.1.2"
 
 deepmerge@^4.1.1:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/deepmerge/-/deepmerge-4.2.2.tgz#44d2ea3679b8f4d4ffba33f03d865fc1e7bf4955"
-  integrity sha512-FJ3UgI4gIl+PHZm53knsuSFpE+nESMr7M4v9QcgB7S63Kj/6WqMiFQJpBBYz1Pt+66bZpP3Q7Lye0Oo9MPKEdg==
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/deepmerge/-/deepmerge-4.3.1.tgz#44b5f2147cd3b00d4b56137685966f26fd25dd4a"
+  integrity sha512-3sUqbMEc77XqpdNO7FRyRog+eW3ph+GYCbj+rK+uYyRMuwsVy0rMiVtPn+QJlKFvWP/1PYpapqYn0Me2knFn+A==
 
 event-target-shim@^5.0.0:
   version "5.0.1"