diff --git a/packages/snaps-simulation/package.json b/packages/snaps-simulation/package.json
index a3d8dfd1b0..6671dbac10 100644
--- a/packages/snaps-simulation/package.json
+++ b/packages/snaps-simulation/package.json
@@ -56,7 +56,7 @@
   },
   "dependencies": {
     "@metamask/base-controller": "^8.0.0",
-    "@metamask/eth-json-rpc-middleware": "^15.2.0",
+    "@metamask/eth-json-rpc-middleware": "^15.3.0",
     "@metamask/json-rpc-engine": "^10.0.2",
     "@metamask/json-rpc-middleware-stream": "^8.0.7",
     "@metamask/key-tree": "^10.0.2",
diff --git a/packages/snaps-simulator/package.json b/packages/snaps-simulator/package.json
index e530d61a90..d84a610c03 100644
--- a/packages/snaps-simulator/package.json
+++ b/packages/snaps-simulator/package.json
@@ -47,7 +47,7 @@
     "@emotion/styled": "^11.10.8",
     "@ethersproject/units": "^5.7.0",
     "@metamask/base-controller": "^8.0.0",
-    "@metamask/eth-json-rpc-middleware": "^15.2.0",
+    "@metamask/eth-json-rpc-middleware": "^15.3.0",
     "@metamask/json-rpc-engine": "^10.0.2",
     "@metamask/json-rpc-middleware-stream": "^8.0.7",
     "@metamask/key-tree": "^10.0.2",
diff --git a/yarn.lock b/yarn.lock
index 69d107617b..7cb94946a1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4413,22 +4413,23 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@metamask/eth-json-rpc-middleware@npm:^15.2.0":
-  version: 15.2.0
-  resolution: "@metamask/eth-json-rpc-middleware@npm:15.2.0"
+"@metamask/eth-json-rpc-middleware@npm:^15.3.0":
+  version: 15.3.0
+  resolution: "@metamask/eth-json-rpc-middleware@npm:15.3.0"
   dependencies:
     "@metamask/eth-block-tracker": "npm:^11.0.4"
     "@metamask/eth-json-rpc-provider": "npm:^4.1.7"
     "@metamask/eth-sig-util": "npm:^8.1.2"
     "@metamask/json-rpc-engine": "npm:^10.0.2"
     "@metamask/rpc-errors": "npm:^7.0.2"
+    "@metamask/superstruct": "npm:^3.1.0"
     "@metamask/utils": "npm:^11.1.0"
     "@types/bn.js": "npm:^5.1.5"
     bn.js: "npm:^5.2.1"
     klona: "npm:^2.0.6"
     pify: "npm:^5.0.0"
     safe-stable-stringify: "npm:^2.4.3"
-  checksum: 10/52dcb5927fe5e2db318965e3c5179704a1fa56ebccabeda93b8f9a6c28cb8958d5fefd7bddf5673c6532eab5d46ced8c7001394ce5cc634d8acd491755bcdd4c
+  checksum: 10/09e595a064b5f45bf0597dad38d04aaa4f2eb09700c70c85ec06ec22a6f642adffdbd1120380fd4b1d485c0d39bfc4b354c39c2b75d7ffa96210a2003189c0db
   languageName: node
   linkType: hard
 
@@ -5631,7 +5632,7 @@ __metadata:
     "@lavamoat/allow-scripts": "npm:^3.0.4"
     "@metamask/auto-changelog": "npm:^4.1.0"
     "@metamask/base-controller": "npm:^8.0.0"
-    "@metamask/eth-json-rpc-middleware": "npm:^15.2.0"
+    "@metamask/eth-json-rpc-middleware": "npm:^15.3.0"
     "@metamask/json-rpc-engine": "npm:^10.0.2"
     "@metamask/json-rpc-middleware-stream": "npm:^8.0.7"
     "@metamask/key-tree": "npm:^10.0.2"
@@ -5678,7 +5679,7 @@ __metadata:
     "@ethersproject/units": "npm:^5.7.0"
     "@metamask/auto-changelog": "npm:^4.1.0"
     "@metamask/base-controller": "npm:^8.0.0"
-    "@metamask/eth-json-rpc-middleware": "npm:^15.2.0"
+    "@metamask/eth-json-rpc-middleware": "npm:^15.3.0"
     "@metamask/json-rpc-engine": "npm:^10.0.2"
     "@metamask/json-rpc-middleware-stream": "npm:^8.0.7"
     "@metamask/key-tree": "npm:^10.0.2"