diff --git a/yarn.lock b/yarn.lock
index a4cc95ba..3c23133c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1277,14 +1277,14 @@
     ua-parser-js "^1.0.32"
 
 "@birchill/jpdict-idb@^2.3.1":
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/@birchill/jpdict-idb/-/jpdict-idb-2.5.0.tgz#874f2bc94fbf3c33d32731f8e6c80d6de3ade1ab"
-  integrity sha512-1P/4ZcaSmJFtUjnhL85+uFXjwnGjQHZ2jqghU/W2NAuQVLMfcQvuBTUFNYmbKS70RHOpGu7V3CWHaaF8gflJVw==
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/@birchill/jpdict-idb/-/jpdict-idb-2.6.0.tgz#0d6cba3a7988a263769e57549db2ad4a4cf23be5"
+  integrity sha512-/hz+fyPynuZcTNaBFUGO1x3ikUuY4HcIlvWe7v03YGIAo28EwJ9B0Os+P+BePHLOyZ2y3EJNeIKrNFvd55/vTw==
   dependencies:
     "@birchill/json-equalish" "^1.1.2"
     "@birchill/normal-jp" "^1.5.0"
     idb "^8.0.0"
-    superstruct "^1.0.3"
+    superstruct "^2.0.0"
 
 "@birchill/json-equalish@^1.1.2":
   version "1.1.2"
@@ -6045,16 +6045,11 @@ sucrase@^3.32.0:
     pirates "^4.0.1"
     ts-interface-checker "^0.1.9"
 
-superstruct@2.0.2:
+superstruct@2.0.2, superstruct@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/superstruct/-/superstruct-2.0.2.tgz#3f6d32fbdc11c357deff127d591a39b996300c54"
   integrity sha512-uV+TFRZdXsqXTL2pRvujROjdZQ4RAlBUS5BTh9IGm+jTqQntYThciG/qu57Gs69yjnVUSqdxF9YLmSnpupBW9A==
 
-superstruct@^1.0.3:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/superstruct/-/superstruct-1.0.4.tgz#0adb99a7578bd2f1c526220da6571b2d485d91ca"
-  integrity sha512-7JpaAoX2NGyoFlI9NBh66BQXGONc+uE+MRS5i2iOBKuS4e+ccgMDjATgZldkah+33DakBxDHiss9kvUcGAO8UQ==
-
 supports-color@^5.3.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"