diff --git a/package-lock.json b/package-lock.json
index 2931e9541..cb3d1b7a6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,7 +26,7 @@
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         "jest-fetch-mock": "^3.0.3",
         "jose": "^6.2.0",
-        "miniflare": "^4.20260302.0",
+        "miniflare": "^5.20260811.0-alpha",
         "prettier": "^3.5.3",
         "publint": "^0.3.18",
         "tsdown": "^0.22.0",
@@ -1970,9 +1970,9 @@
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-      "resolved": "https://registry.npmjs.org/@cloudflare/workerd-darwin-64/-/workerd-darwin-64-1.20260722.1.tgz",
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+      "resolved": "https://registry.npmjs.org/@cloudflare/workerd-darwin-64/-/workerd-darwin-64-1.20260811.1.tgz",
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@@ -1987,9 +1987,9 @@
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-      "version": "1.20260722.1",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workerd-darwin-arm64/-/workerd-darwin-arm64-1.20260722.1.tgz",
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+      "version": "1.20260811.1",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workerd-darwin-arm64/-/workerd-darwin-arm64-1.20260811.1.tgz",
+      "integrity": "sha512-NoOUM/nvaDdm2Onlnz33FikWjtatzulNtvwvy4xs0IrHaTCHwC0c8NwIt6s+AI13FkDs02/vm2I3GTPLCT9+hQ==",
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@@ -2004,9 +2004,9 @@
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     "node_modules/@cloudflare/workerd-linux-64": {
-      "version": "1.20260722.1",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workerd-linux-64/-/workerd-linux-64-1.20260722.1.tgz",
-      "integrity": "sha512-jvZ3k9fxcnEn04s80CgIYxQfpOyAiz/8qC42DP8EBa9tR27qWyg9wmm31zIobVlrgBZn/+8NfdP73avRGcQOjQ==",
+      "version": "1.20260811.1",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workerd-linux-64/-/workerd-linux-64-1.20260811.1.tgz",
+      "integrity": "sha512-sdYq2jL1AD1supa3fsi5O4zTB28wSjvTHj7Migh6/ts8EROPdvrSwv+rdGHhv8HJNAz/wbIAY3wZsi1Rw4uUIg==",
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@@ -2021,9 +2021,9 @@
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-      "version": "1.20260722.1",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workerd-linux-arm64/-/workerd-linux-arm64-1.20260722.1.tgz",
-      "integrity": "sha512-BOSB55SMNdy+DA5uj2WirgiNanpHGis5PVvXH1wSfvjRKr4JGgWK+EZzxz0RFUo6QjjQQC/NimEzNZ7va7jmKg==",
+      "version": "1.20260811.1",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workerd-linux-arm64/-/workerd-linux-arm64-1.20260811.1.tgz",
+      "integrity": "sha512-RIRv4shbu1kg05sD+DHTpSFCNnb5Dl2SkPDMUykqZa508tkPqe7VVw7gO0Q5msTBGyL0FfFrLuRxwwfA8u5Sow==",
       "cpu": [
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@@ -2038,9 +2038,9 @@
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     "node_modules/@cloudflare/workerd-windows-64": {
-      "version": "1.20260722.1",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workerd-windows-64/-/workerd-windows-64-1.20260722.1.tgz",
-      "integrity": "sha512-sYM8YgUpKnRz2xjvdJLX1Ojzoi4MlA4gk8WTTExhGydjYB2UTs5NIbv0ZmpKgMoK9io3ixgmiW56ZnTbcWOdiA==",
+      "version": "1.20260811.1",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workerd-windows-64/-/workerd-windows-64-1.20260811.1.tgz",
+      "integrity": "sha512-g6VquwjASlYAibcNW/0E6Zszht4qLkmnXOGwIjjRHl2A0Qz48kVeMcGvyH6eA0G9U3OzZojjYFpP+YeyQmmdjw==",
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@@ -8204,22 +8204,19 @@
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     "node_modules/miniflare": {
-      "version": "4.20260722.0",
-      "resolved": "https://registry.npmjs.org/miniflare/-/miniflare-4.20260722.0.tgz",
-      "integrity": "sha512-LW6ABMhCx/yIEFBLC/DO4yAhdm2T/G7jp7pr5T2kj895+CCIaHZqpMXdW9O6YE48LcYcCJChwWc8aEs1vpbTXw==",
+      "version": "5.20260811.0-alpha",
+      "resolved": "https://registry.npmjs.org/miniflare/-/miniflare-5.20260811.0-alpha.tgz",
+      "integrity": "sha512-sypXsD5fjY88fZNedPqnwrwR1dwfnfbfW7MfvMyIfPJdtRiCCOpUnjWGeFVYYZ+0fQVICye6Juu+vZgzTEx8XA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@cspotcode/source-map-support": "0.8.1",
         "sharp": "0.35.2",
-        "undici": "7.28.0",
-        "workerd": "1.20260722.1",
+        "undici": "7.29.0",
+        "workerd": "1.20260811.1",
         "ws": "8.21.0",
         "youch": "4.1.0-beta.10"
       },
-      "bin": {
-        "miniflare": "bootstrap.js"
-      },
       "engines": {
         "node": ">=22.0.0"
       }
@@ -9809,9 +9806,9 @@
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     "node_modules/undici": {
-      "version": "7.28.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-7.28.0.tgz",
-      "integrity": "sha512-cRZYrTDwWznlnRiPjggAGxZXanty6M8RV1ff8Wm4LWXBp7/IG8v5DnOm74DtUBp9OONpK75YlPnIjQqX0dBDtA==",
+      "version": "7.29.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-7.29.0.tgz",
+      "integrity": "sha512-IDxfleLmmbSskfWSUATiN1nfn2rDuvnMOqb5CWR92iIfojA0Ud+ulOAAEQ57LPr9rWmsreUyf5lwyao+7GNNVw==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -10035,9 +10032,9 @@
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     "node_modules/workerd": {
-      "version": "1.20260722.1",
-      "resolved": "https://registry.npmjs.org/workerd/-/workerd-1.20260722.1.tgz",
-      "integrity": "sha512-NycKuc1x2onvsRfGGpM093vRlLFU2zHDAM0+APpccfg4+gZxDGCH27RmdDvkeBuoZyYqgLo3oAfF6re4mvC3vQ==",
+      "version": "1.20260811.1",
+      "resolved": "https://registry.npmjs.org/workerd/-/workerd-1.20260811.1.tgz",
+      "integrity": "sha512-kh+FFm55JQ4ssxhHZV9VPdMQq3D1nHxNJgwxMtWGD4dGppJvLySdguTRDKgeNTvgq6heSz+6TTXyPSDGj8Yllw==",
       "dev": true,
       "hasInstallScript": true,
       "license": "Apache-2.0",
@@ -10048,11 +10045,11 @@
         "node": ">=16"
       },
       "optionalDependencies": {
-        "@cloudflare/workerd-darwin-64": "1.20260722.1",
-        "@cloudflare/workerd-darwin-arm64": "1.20260722.1",
-        "@cloudflare/workerd-linux-64": "1.20260722.1",
-        "@cloudflare/workerd-linux-arm64": "1.20260722.1",
-        "@cloudflare/workerd-windows-64": "1.20260722.1"
+        "@cloudflare/workerd-darwin-64": "1.20260811.1",
+        "@cloudflare/workerd-darwin-arm64": "1.20260811.1",
+        "@cloudflare/workerd-linux-64": "1.20260811.1",
+        "@cloudflare/workerd-linux-arm64": "1.20260811.1",
+        "@cloudflare/workerd-windows-64": "1.20260811.1"
       }
     },
     "node_modules/wrap-ansi": {
diff --git a/package.json b/package.json
index 06a51333f..1b7910a91 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "jest": "30.4.2",
     "jest-fetch-mock": "^3.0.3",
     "jose": "^6.2.0",
-    "miniflare": "^4.20260302.0",
+    "miniflare": "^5.20260811.0-alpha",
     "prettier": "^3.5.3",
     "publint": "^0.3.18",
     "tsdown": "^0.22.0",