diff --git a/packages/snaps-execution-environments/package.json b/packages/snaps-execution-environments/package.json
index 270eec42a9..2223d30f20 100644
--- a/packages/snaps-execution-environments/package.json
+++ b/packages/snaps-execution-environments/package.json
@@ -105,7 +105,7 @@
     "prettier": "^3.3.3",
     "rimraf": "^4.1.2",
     "serve-handler": "^6.1.5",
-    "ses": "^1.14.0",
+    "ses": "^1.15.0",
     "stream-browserify": "^3.0.0",
     "terser": "^5.17.7",
     "ts-loader": "^9.5.2",
diff --git a/packages/snaps-utils/package.json b/packages/snaps-utils/package.json
index b175cc55bc..8c62a0a7cb 100644
--- a/packages/snaps-utils/package.json
+++ b/packages/snaps-utils/package.json
@@ -99,7 +99,7 @@
     "marked": "^12.0.1",
     "rfdc": "^1.3.0",
     "semver": "^7.5.4",
-    "ses": "^1.14.0",
+    "ses": "^1.15.0",
     "validate-npm-package-name": "^5.0.0"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index d03132c64b..600ac8cfe1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4327,7 +4327,7 @@ __metadata:
     readable-stream: "npm:^3.6.2"
     rimraf: "npm:^4.1.2"
     serve-handler: "npm:^6.1.5"
-    ses: "npm:^1.14.0"
+    ses: "npm:^1.15.0"
     stream-browserify: "npm:^3.0.0"
     terser: "npm:^5.17.7"
     ts-loader: "npm:^9.5.2"
@@ -4661,7 +4661,7 @@ __metadata:
     rfdc: "npm:^1.3.0"
     rimraf: "npm:^4.1.2"
     semver: "npm:^7.5.4"
-    ses: "npm:^1.14.0"
+    ses: "npm:^1.15.0"
     tsx: "npm:^4.20.3"
     typescript: "npm:~5.3.3"
     validate-npm-package-name: "npm:^5.0.0"
@@ -16783,7 +16783,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ses@npm:1.14.0, ses@npm:^1.14.0":
+"ses@npm:1.14.0":
   version: 1.14.0
   resolution: "ses@npm:1.14.0"
   dependencies:
@@ -16794,6 +16794,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ses@npm:^1.15.0":
+  version: 1.15.0
+  resolution: "ses@npm:1.15.0"
+  dependencies:
+    "@endo/cache-map": "npm:^1.1.0"
+    "@endo/env-options": "npm:^1.1.11"
+    "@endo/immutable-arraybuffer": "npm:^1.1.2"
+  checksum: 10/494894d35de847103ca0e4357632d80436c0e3dbc0e0bf98448a962d2257cb9045db9c6e7737b4003846a690318fcf5c06ef5a9a51c8b47cd4ffeaf2fa330155
+  languageName: node
+  linkType: hard
+
 "set-function-length@npm:^1.2.2":
   version: 1.2.2
   resolution: "set-function-length@npm:1.2.2"