diff --git a/package-lock.json b/package-lock.json
index 6579eba147..7ac8e31e68 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5517,6 +5517,17 @@
         "node": "^14.17.0 || ^16.13.0 || >=18.0.0"
       }
     },
+    "node_modules/abort-controller": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz",
+      "integrity": "sha512-h8lQ8tacZYnR3vNQTgibj+tODHI5/+l06Au2Pcriv/Gmet0eaj4TwWH41sO9wnHDiQsEj19q0drzdWdeAHtweg==",
+      "dependencies": {
+        "event-target-shim": "^5.0.0"
+      },
+      "engines": {
+        "node": ">=6.5"
+      }
+    },
     "node_modules/accepts": {
       "version": "1.3.8",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
@@ -11073,6 +11084,14 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/event-target-shim": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/event-target-shim/-/event-target-shim-5.0.1.tgz",
+      "integrity": "sha512-i/2XbnSz/uxRCU6+NdVJgKWDTM427+MqYbkQzD321DuCQJUqOuJKIA0IM2+W2xtYHdKOmZ4dR6fExsd4SXL+WQ==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/eventemitter3": {
       "version": "4.0.7",
       "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
@@ -22477,7 +22496,7 @@
         "json-stable-stringify": "1.1.1",
         "lavamoat-core": "^15.1.1",
         "pify": "4.0.1",
-        "readable-stream": "3.6.2",
+        "readable-stream": "4.5.2",
         "source-map": "0.7.4",
         "through2": "4.0.2"
       },
@@ -22496,11 +22515,49 @@
         "node": "^16.20.0 || ^18.0.0 || ^20.0.0"
       }
     },
+    "packages/browserify/node_modules/buffer": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.2.1"
+      }
+    },
     "packages/browserify/node_modules/convert-source-map": {
       "version": "1.9.0",
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.9.0.tgz",
       "integrity": "sha512-ASFBup0Mz1uyiIjANan1jzLQami9z1PoYSZCiiYW2FczPbenXc45FZdBZLzOT+r6+iciuEModtmCti+hjaAk0A=="
     },
+    "packages/browserify/node_modules/readable-stream": {
+      "version": "4.5.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-4.5.2.tgz",
+      "integrity": "sha512-yjavECdqeZ3GLXNgRXgeQEdz9fvDDkNKyHnbHRFtOr7/LcfgBcmct7t/ET+HaCTqfh06OzoAxrkN/IfjJBVe+g==",
+      "dependencies": {
+        "abort-controller": "^3.0.0",
+        "buffer": "^6.0.3",
+        "events": "^3.3.0",
+        "process": "^0.11.10",
+        "string_decoder": "^1.3.0"
+      },
+      "engines": {
+        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+      }
+    },
     "packages/core": {
       "name": "lavamoat-core",
       "version": "15.1.1",
@@ -22531,7 +22588,7 @@
         "json-stable-stringify": "1.1.1",
         "JSONStream": "1.3.5",
         "lavamoat-core": "^15.1.1",
-        "readable-stream": "3.6.2",
+        "readable-stream": "4.5.2",
         "through2": "4.0.2",
         "umd": "3.0.3"
       },
@@ -22543,11 +22600,49 @@
         "node": "^16.20.0 || ^18.0.0 || ^20.0.0"
       }
     },
+    "packages/lavapack/node_modules/buffer": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.2.1"
+      }
+    },
     "packages/lavapack/node_modules/convert-source-map": {
       "version": "1.9.0",
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.9.0.tgz",
       "integrity": "sha512-ASFBup0Mz1uyiIjANan1jzLQami9z1PoYSZCiiYW2FczPbenXc45FZdBZLzOT+r6+iciuEModtmCti+hjaAk0A=="
     },
+    "packages/lavapack/node_modules/readable-stream": {
+      "version": "4.5.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-4.5.2.tgz",
+      "integrity": "sha512-yjavECdqeZ3GLXNgRXgeQEdz9fvDDkNKyHnbHRFtOr7/LcfgBcmct7t/ET+HaCTqfh06OzoAxrkN/IfjJBVe+g==",
+      "dependencies": {
+        "abort-controller": "^3.0.0",
+        "buffer": "^6.0.3",
+        "events": "^3.3.0",
+        "process": "^0.11.10",
+        "string_decoder": "^1.3.0"
+      },
+      "engines": {
+        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+      }
+    },
     "packages/node": {
       "name": "lavamoat",
       "version": "8.0.2",
@@ -22681,7 +22776,7 @@
       "dependencies": {
         "@endo/compartment-mapper": "0.9.2",
         "browserify": "17.0.0",
-        "readable-stream": "3.6.2",
+        "readable-stream": "4.5.2",
         "ses": "1.1.0"
       },
       "devDependencies": {
@@ -22693,6 +22788,44 @@
         "node": "^16.20.0 || ^18.0.0 || ^20.0.0"
       }
     },
+    "packages/perf/node_modules/buffer": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.2.1"
+      }
+    },
+    "packages/perf/node_modules/readable-stream": {
+      "version": "4.5.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-4.5.2.tgz",
+      "integrity": "sha512-yjavECdqeZ3GLXNgRXgeQEdz9fvDDkNKyHnbHRFtOr7/LcfgBcmct7t/ET+HaCTqfh06OzoAxrkN/IfjJBVe+g==",
+      "dependencies": {
+        "abort-controller": "^3.0.0",
+        "buffer": "^6.0.3",
+        "events": "^3.3.0",
+        "process": "^0.11.10",
+        "string_decoder": "^1.3.0"
+      },
+      "engines": {
+        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+      }
+    },
     "packages/preinstall-always-fail": {
       "name": "@lavamoat/preinstall-always-fail",
       "version": "2.0.0",
diff --git a/packages/browserify/package.json b/packages/browserify/package.json
index ca53e9a9b5..da972d1799 100644
--- a/packages/browserify/package.json
+++ b/packages/browserify/package.json
@@ -38,7 +38,7 @@
     "json-stable-stringify": "1.1.1",
     "lavamoat-core": "^15.1.1",
     "pify": "4.0.1",
-    "readable-stream": "3.6.2",
+    "readable-stream": "4.5.2",
     "source-map": "0.7.4",
     "through2": "4.0.2"
   },
diff --git a/packages/lavapack/package.json b/packages/lavapack/package.json
index 2e5e4d6c30..d972ecb4c2 100644
--- a/packages/lavapack/package.json
+++ b/packages/lavapack/package.json
@@ -34,7 +34,7 @@
     "espree": "9.6.1",
     "json-stable-stringify": "1.1.1",
     "lavamoat-core": "^15.1.1",
-    "readable-stream": "3.6.2",
+    "readable-stream": "4.5.2",
     "through2": "4.0.2",
     "umd": "3.0.3"
   },
diff --git a/packages/perf/package.json b/packages/perf/package.json
index 46c4007aa9..a2c54f1b0e 100644
--- a/packages/perf/package.json
+++ b/packages/perf/package.json
@@ -25,7 +25,7 @@
   "dependencies": {
     "@endo/compartment-mapper": "0.9.2",
     "browserify": "17.0.0",
-    "readable-stream": "3.6.2",
+    "readable-stream": "4.5.2",
     "ses": "1.1.0"
   },
   "devDependencies": {