diff --git a/agent-image/entrypoint.nix b/agent-image/entrypoint.nix
index 0900c9680..8e894b4c2 100644
--- a/agent-image/entrypoint.nix
+++ b/agent-image/entrypoint.nix
@@ -12,8 +12,8 @@ let
   # Per-system pins: the FOD covers the platform-specific optionalDependency,
   # and the addon set differs by arch (x64 two, arm64 one).
   outputHashBySystem = {
-    "x86_64-linux" = "sha256-5xK8aKaDAXVu+otqOF3CIvqNuor8KPk3uJDW1m3tFB0=";
-    "aarch64-linux" = "sha256-kMha5mgsD9+gZk8F3YgmMUGjVORxPCS229if7Kc5ys8=";
+    "x86_64-linux" = "sha256-pdt3f13oqhFX9PZnNFnV3OWD4vdZ9sN8m7rGelaaFw4=";
+    "aarch64-linux" = "sha256-uKan+quFBQCngYCYVaXpRyhOvxv1S/tnaL3e0amm0Xk=";
   };
   nativeBySystem = {
     "x86_64-linux" = {
diff --git a/bun.lock b/bun.lock
index e82405007..a630ffa19 100644
--- a/bun.lock
+++ b/bun.lock
@@ -395,7 +395,7 @@
     "@rigelbuild/tsconfig": "1.0.0",
     "@types/bun": "^1.4.0",
     "astro": "^7.1.6",
-    "effect": "^3.22.1",
+    "effect": "^4.0.0",
     "github-slugger": "^2.0.0",
     "sharp": "^0.35.0",
     "stylelint": "^17.14.1",
@@ -1342,7 +1342,7 @@
 
     "dset": ["dset@3.1.4", "", {}, "sha512-2QF/g9/zTaPDc3BjNcVTGoBbXBgYfMTTceLaYcFJ/W9kggFUkhxD/hMEeuLKbugyef9SqAx8cpgwlIP/jinUTA=="],
 
-    "effect": ["effect@3.22.1", "", { "dependencies": { "@standard-schema/spec": "^1.0.0", "fast-check": "^3.23.1" } }, "sha512-TNoXushmPOBAjJlthF5d2QwnX2xBPEtcNJr5XKNKbRLbDvBcOYkXlYDfvGfSA0zriwLFuCll5MDtNMAdZL17PQ=="],
+    "effect": ["effect@4.0.5", "", {}, "sha512-BY4/28NlpOd99yzmV741xbVGmp+1U7tks4oB7F/Png64bTa5tm5eCA6W0RiXsnuLDDoJpjfVSo4Dnq4BZb/89Q=="],
 
     "electron-to-chromium": ["electron-to-chromium@1.5.395", "", {}, "sha512-7zt9Aw+SrmxLWLN0zhaTWZQiCdryLVrYTq5R7iZakLvi2UQPYMMsROYV/2qVCzMeCiSXHwKOU+sZ4zOVVlrtKA=="],
 
@@ -2190,6 +2190,10 @@
 
     "@dom-expressions/compiler-wasm32-wasi/@napi-rs/wasm-runtime": ["@napi-rs/wasm-runtime@1.2.2", "", { "dependencies": { "@tybys/wasm-util": "^0.10.3" }, "peerDependencies": { "@emnapi/core": "^1.7.1 || ^2.0.0-alpha.3", "@emnapi/runtime": "^1.7.1 || ^2.0.0-alpha.3" } }, "sha512-JfB4kuJQjaoHuCTseIINHtHWeJnvgEcxjwA5t/Y00ZgaOO1Crz3fjT/p8kT28zA/Caz7oiUMn3d6H2yOVCVwuw=="],
 
+    "@effect/opentelemetry/effect": ["effect@3.22.1", "", { "dependencies": { "@standard-schema/spec": "^1.0.0", "fast-check": "^3.23.1" } }, "sha512-TNoXushmPOBAjJlthF5d2QwnX2xBPEtcNJr5XKNKbRLbDvBcOYkXlYDfvGfSA0zriwLFuCll5MDtNMAdZL17PQ=="],
+
+    "@effect/platform/effect": ["effect@3.22.1", "", { "dependencies": { "@standard-schema/spec": "^1.0.0", "fast-check": "^3.23.1" } }, "sha512-TNoXushmPOBAjJlthF5d2QwnX2xBPEtcNJr5XKNKbRLbDvBcOYkXlYDfvGfSA0zriwLFuCll5MDtNMAdZL17PQ=="],
+
     "@img/sharp-wasm32/@emnapi/runtime": ["@emnapi/runtime@1.11.3", "", { "dependencies": { "tslib": "^2.4.0" } }, "sha512-Xz4Tpyki7XyrpbUK1jR1AhdAdaXyhhY4lZ3neLodmhpuWfy2PAQN5B46sAiU4liOXGLkHypn/qU+jvfWSCYYLA=="],
 
     "@jridgewell/gen-mapping/@jridgewell/sourcemap-codec": ["@jridgewell/sourcemap-codec@1.6.0", "", {}, "sha512-T7jf+5zgsZHwNJ4lvQ7/aezbyk0nNX+zJVWpmHA7VYsEx7a7qr5Rg5IbtJFqkgze5Y2sruq1RUY8Q837Od7iFw=="],
diff --git a/package.json b/package.json
index fea208feb..b39c40cf6 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
 			"@rigelbuild/tsconfig": "1.0.0",
 			"@types/bun": "^1.4.0",
 			"astro": "^7.1.6",
-			"effect": "^3.22.1",
+			"effect": "^4.0.0",
 			"github-slugger": "^2.0.0",
 			"sharp": "^0.35.0",
 			"stylelint": "^17.14.1",