diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2e0949eca85..0a30f3f9eec 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -246,7 +246,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Cache Bun dependencies
         uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
@@ -580,7 +580,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Cache Bun dependencies
         uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
@@ -1132,7 +1132,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Install dependencies
         run: bun install --frozen-lockfile --ignore-scripts
diff --git a/.github/workflows/deploy-trigger-dev.yml b/.github/workflows/deploy-trigger-dev.yml
index c9738f51a78..4c43abd0574 100644
--- a/.github/workflows/deploy-trigger-dev.yml
+++ b/.github/workflows/deploy-trigger-dev.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Cache Bun dependencies
         uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
diff --git a/.github/workflows/desktop-e2e.yml b/.github/workflows/desktop-e2e.yml
index f11fc3b11de..0e8d3c8d697 100644
--- a/.github/workflows/desktop-e2e.yml
+++ b/.github/workflows/desktop-e2e.yml
@@ -48,7 +48,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Install dependencies
         run: bun install --frozen-lockfile
@@ -81,7 +81,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Install dependencies
         run: bun install --frozen-lockfile
@@ -117,7 +117,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Setup Node
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
diff --git a/.github/workflows/desktop-release.yml b/.github/workflows/desktop-release.yml
index a986b909107..2a6defae3db 100644
--- a/.github/workflows/desktop-release.yml
+++ b/.github/workflows/desktop-release.yml
@@ -128,7 +128,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Setup Node
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
diff --git a/.github/workflows/docs-embeddings.yml b/.github/workflows/docs-embeddings.yml
index ec73959170d..f20c6491b09 100644
--- a/.github/workflows/docs-embeddings.yml
+++ b/.github/workflows/docs-embeddings.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Setup Node
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
diff --git a/.github/workflows/helm.yml b/.github/workflows/helm.yml
index 90aab7bff37..0ce30eaa4fb 100644
--- a/.github/workflows/helm.yml
+++ b/.github/workflows/helm.yml
@@ -55,7 +55,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       # Docker Compose and Kubernetes must run the same background jobs on the
       # same schedules; this fails the build if the two drift apart. The script
@@ -278,7 +278,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       # Derives appVersion rather than checking it, so the published chart cannot
       # be pinned to an older Sim than the release it ships with. The committed
@@ -473,7 +473,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       # Derives appVersion rather than checking it, so the published chart cannot
       # be pinned to an older Sim than the release it ships with. The committed
diff --git a/.github/workflows/migrations.yml b/.github/workflows/migrations.yml
index 0afdddeff97..724972803be 100644
--- a/.github/workflows/migrations.yml
+++ b/.github/workflows/migrations.yml
@@ -35,7 +35,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Cache Bun dependencies
         uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5
diff --git a/.github/workflows/publish-cli.yml b/.github/workflows/publish-cli.yml
index 44d50c92704..e8cbcd55120 100644
--- a/.github/workflows/publish-cli.yml
+++ b/.github/workflows/publish-cli.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Setup Node.js for npm publishing
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
diff --git a/.github/workflows/publish-sim-cli.yml b/.github/workflows/publish-sim-cli.yml
index 3c20290b06a..f9d9717fa30 100644
--- a/.github/workflows/publish-sim-cli.yml
+++ b/.github/workflows/publish-sim-cli.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       # Vitest 5 requires Node 22.12+; the published bundle is still
       # smoke-tested on Node 20 below, its minimum supported runtime.
diff --git a/.github/workflows/publish-sim-setup.yml b/.github/workflows/publish-sim-setup.yml
index fdf99ceb8fa..e6284e14392 100644
--- a/.github/workflows/publish-sim-setup.yml
+++ b/.github/workflows/publish-sim-setup.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       # Vitest 5 requires Node 22.12+; the published bundle is still
       # smoke-tested on Node 20 below, its minimum supported runtime.
diff --git a/.github/workflows/publish-ts-sdk.yml b/.github/workflows/publish-ts-sdk.yml
index e023621d6b4..ff75d720589 100644
--- a/.github/workflows/publish-ts-sdk.yml
+++ b/.github/workflows/publish-ts-sdk.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Setup Node.js for npm publishing
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
diff --git a/.github/workflows/test-build.yml b/.github/workflows/test-build.yml
index 6c46e969496..54659595287 100644
--- a/.github/workflows/test-build.yml
+++ b/.github/workflows/test-build.yml
@@ -70,7 +70,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Setup Node
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
@@ -211,7 +211,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Setup Node
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
@@ -412,7 +412,7 @@ jobs:
       - name: Setup Bun
         uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
         with:
-          bun-version: 1.4.1
+          bun-version: 1.4.2
 
       - name: Setup Node
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
diff --git a/apps/desktop/package.json b/apps/desktop/package.json
index 2ce2040a709..a4484720362 100644
--- a/apps/desktop/package.json
+++ b/apps/desktop/package.json
@@ -9,7 +9,7 @@
   "type": "module",
   "main": "dist/main.cjs",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "scripts": {
diff --git a/apps/realtime/package.json b/apps/realtime/package.json
index dafa37faeb4..daf582a42a7 100644
--- a/apps/realtime/package.json
+++ b/apps/realtime/package.json
@@ -5,7 +5,7 @@
   "license": "Apache-2.0",
   "type": "module",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "scripts": {
diff --git a/apps/sim/lib/core/utils/fetch-deadline.ts b/apps/sim/lib/core/utils/fetch-deadline.ts
index f6643784a09..52ce39b406c 100644
--- a/apps/sim/lib/core/utils/fetch-deadline.ts
+++ b/apps/sim/lib/core/utils/fetch-deadline.ts
@@ -36,7 +36,7 @@ import { Agent, type Dispatcher } from 'undici/index.js'
  *
  * Bun accepts only the boolean/zero form of `timeout`. Measured on Bun 1.3.14
  * against a server that withholds response headers, with the numeric behavior
- * rechecked on Bun 1.4.1, so the numbers below are the real deadline rather
+ * rechecked on Bun 1.4.2, so the numbers below are the real deadline rather
  * than an inferred one:
  *
  *   no option      -> THREW 300028ms (TimeoutError)   <- the 300s default
diff --git a/apps/sim/package.json b/apps/sim/package.json
index 412424982f3..edb48329506 100644
--- a/apps/sim/package.json
+++ b/apps/sim/package.json
@@ -4,7 +4,7 @@
   "private": true,
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=22.19.0"
   },
   "scripts": {
diff --git a/apps/sim/scripts/pi-sandbox-packages.ts b/apps/sim/scripts/pi-sandbox-packages.ts
index dfc102591f0..e74b2b464a9 100644
--- a/apps/sim/scripts/pi-sandbox-packages.ts
+++ b/apps/sim/scripts/pi-sandbox-packages.ts
@@ -14,7 +14,7 @@
  */
 
 /** Bun version mirrored from the root packageManager field. */
-export const PI_BUN_VERSION = '1.4.1'
+export const PI_BUN_VERSION = '1.4.2'
 
 /** Exact Pi version mirrored from the app dependencies and lockfile. */
 export const PI_PACKAGE_VERSION = '0.80.10'
diff --git a/docker/app.Dockerfile b/docker/app.Dockerfile
index 4c4e56e7181..142be6253c8 100644
--- a/docker/app.Dockerfile
+++ b/docker/app.Dockerfile
@@ -1,7 +1,7 @@
 # ========================================
 # Base Stage: runtime-only dependencies (inherited by the final image)
 # ========================================
-FROM oven/bun:1.4.1-slim AS base
+FROM oven/bun:1.4.2-slim AS base
 
 # Install Node.js 24 (Active LTS) and the runtime dependencies once in base.
 # Node runs only the isolated-vm sandbox worker (the app itself runs under Bun);
diff --git a/docker/db.Dockerfile b/docker/db.Dockerfile
index 61e13d3d5fa..b4c5c5aeacb 100644
--- a/docker/db.Dockerfile
+++ b/docker/db.Dockerfile
@@ -1,7 +1,7 @@
 # ========================================
 # Base Stage: Alpine Linux with Bun
 # ========================================
-FROM oven/bun:1.4.1-alpine AS base
+FROM oven/bun:1.4.2-alpine AS base
 
 # ========================================
 # Dependencies Stage: Install Dependencies
diff --git a/docker/realtime.Dockerfile b/docker/realtime.Dockerfile
index bff37a08a9d..cdbbca56ce5 100644
--- a/docker/realtime.Dockerfile
+++ b/docker/realtime.Dockerfile
@@ -1,7 +1,7 @@
 # ========================================
 # Base Stage: Alpine Linux with Bun
 # ========================================
-FROM oven/bun:1.4.1-alpine AS base
+FROM oven/bun:1.4.2-alpine AS base
 
 RUN apk add --no-cache libc6-compat curl
 
diff --git a/package.json b/package.json
index 3c50c7fa6b0..1a2ce8a6421 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "simstudio",
-  "packageManager": "bun@1.4.1",
+  "packageManager": "bun@1.4.2",
   "version": "0.0.0",
   "private": true,
   "license": "Apache-2.0",
diff --git a/packages/audit/package.json b/packages/audit/package.json
index 6782c7f375b..a69702b3e92 100644
--- a/packages/audit/package.json
+++ b/packages/audit/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/auth/package.json b/packages/auth/package.json
index be2b9a3d340..567462999c8 100644
--- a/packages/auth/package.json
+++ b/packages/auth/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/browser-protocol/package.json b/packages/browser-protocol/package.json
index 44f013b3f5c..190fade429f 100644
--- a/packages/browser-protocol/package.json
+++ b/packages/browser-protocol/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/db/package.json b/packages/db/package.json
index 73bc5e4b73b..381203f99a1 100644
--- a/packages/db/package.json
+++ b/packages/db/package.json
@@ -5,7 +5,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/desktop-bridge/package.json b/packages/desktop-bridge/package.json
index da9dcbd76f2..05a90f37c52 100644
--- a/packages/desktop-bridge/package.json
+++ b/packages/desktop-bridge/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/emcn/package.json b/packages/emcn/package.json
index 21f2ea5ce69..dfd6a36b6a5 100644
--- a/packages/emcn/package.json
+++ b/packages/emcn/package.json
@@ -9,7 +9,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/logger/package.json b/packages/logger/package.json
index cc077e52590..2dcd6c3e48d 100644
--- a/packages/logger/package.json
+++ b/packages/logger/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/platform-authz/package.json b/packages/platform-authz/package.json
index 3f78ab68e20..fe5092ef28b 100644
--- a/packages/platform-authz/package.json
+++ b/packages/platform-authz/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/realtime-protocol/package.json b/packages/realtime-protocol/package.json
index cd41cf751b1..ce02b6f46b0 100644
--- a/packages/realtime-protocol/package.json
+++ b/packages/realtime-protocol/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/runtime-secrets/package.json b/packages/runtime-secrets/package.json
index 5ce70a55836..d3323455d07 100644
--- a/packages/runtime-secrets/package.json
+++ b/packages/runtime-secrets/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/security/package.json b/packages/security/package.json
index ad4170634d2..4b2d6d9bc46 100644
--- a/packages/security/package.json
+++ b/packages/security/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/terminal-protocol/package.json b/packages/terminal-protocol/package.json
index 914896d808e..f023cef8bd5 100644
--- a/packages/terminal-protocol/package.json
+++ b/packages/terminal-protocol/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/testing/package.json b/packages/testing/package.json
index 627e48b14c7..215c13eba67 100644
--- a/packages/testing/package.json
+++ b/packages/testing/package.json
@@ -8,7 +8,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/workflow-persistence/package.json b/packages/workflow-persistence/package.json
index 528b137820b..d439e653307 100644
--- a/packages/workflow-persistence/package.json
+++ b/packages/workflow-persistence/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/workflow-renderer/package.json b/packages/workflow-renderer/package.json
index 4f583f0811f..9c89c3c5d67 100644
--- a/packages/workflow-renderer/package.json
+++ b/packages/workflow-renderer/package.json
@@ -9,7 +9,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {
diff --git a/packages/workflow-types/package.json b/packages/workflow-types/package.json
index 07e67007778..87fc00d40bc 100644
--- a/packages/workflow-types/package.json
+++ b/packages/workflow-types/package.json
@@ -6,7 +6,7 @@
   "type": "module",
   "license": "Apache-2.0",
   "engines": {
-    "bun": ">=1.4.1",
+    "bun": ">=1.4.2",
     "node": ">=20.0.0"
   },
   "exports": {