diff --git a/.github/workflows/release-doctor.yml b/.github/workflows/release-doctor.yml
deleted file mode 100644
index 27ddba6..0000000
--- a/.github/workflows/release-doctor.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-name: Release Doctor
-on:
-  push:
-    branches:
-      - main
-  workflow_dispatch:
-
-jobs:
-  release_doctor:
-    name: release doctor
-    runs-on: ubuntu-latest
-    environment: anthale-environment
-    if: github.repository == 'anthalehq/anthale-node' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch' || startsWith(github.head_ref, 'release-please') || github.head_ref == 'next')
-
-    steps:
-      - uses: actions/checkout@v6
-
-      - name: Check release environment
-        run: |
-          bash ./bin/check-release-environment
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 8579006..579ae9f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.4.6"
+  ".": "0.4.7"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10c556e..fd30831 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## 0.4.7 (2026-04-21)
+
+Full Changelog: [v0.4.6...v0.4.7](https://github.com/anthalehq/anthale-node/compare/v0.4.6...v0.4.7)
+
+### Chores
+
+* **ci:** remove release-doctor workflow ([25be9fb](https://github.com/anthalehq/anthale-node/commit/25be9fbf9aea1b0a117764cdad8fbebe31dfa861))
+* **internal:** codegen related update ([be8b3a4](https://github.com/anthalehq/anthale-node/commit/be8b3a440da08b72c41d6178208ebc6b49315d75))
+
 ## 0.4.6 (2026-04-01)
 
 Full Changelog: [v0.4.5...v0.4.6](https://github.com/anthalehq/anthale-node/compare/v0.4.5...v0.4.6)
diff --git a/bin/check-release-environment b/bin/check-release-environment
deleted file mode 100644
index 6b43775..0000000
--- a/bin/check-release-environment
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/usr/bin/env bash
-
-errors=()
-
-lenErrors=${#errors[@]}
-
-if [[ lenErrors -gt 0 ]]; then
-  echo -e "Found the following errors in the release environment:\n"
-
-  for error in "${errors[@]}"; do
-    echo -e "- $error\n"
-  done
-
-  exit 1
-fi
-
-echo "The environment is ready to push releases!"
-
diff --git a/package.json b/package.json
index a2e48ab..1f5cbae 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "anthale",
-  "version": "0.4.6",
+  "version": "0.4.7",
   "description": "The official TypeScript library for the Anthale API",
   "author": "Anthale <contact@anthale.com>",
   "types": "dist/index.d.ts",
diff --git a/src/internal/utils/env.ts b/src/internal/utils/env.ts
index 2d84800..cc5fa0f 100644
--- a/src/internal/utils/env.ts
+++ b/src/internal/utils/env.ts
@@ -9,10 +9,10 @@
  */
 export const readEnv = (env: string): string | undefined => {
   if (typeof (globalThis as any).process !== 'undefined') {
-    return (globalThis as any).process.env?.[env]?.trim() ?? undefined;
+    return (globalThis as any).process.env?.[env]?.trim() || undefined;
   }
   if (typeof (globalThis as any).Deno !== 'undefined') {
-    return (globalThis as any).Deno.env?.get?.(env)?.trim();
+    return (globalThis as any).Deno.env?.get?.(env)?.trim() || undefined;
   }
   return undefined;
 };
diff --git a/src/version.ts b/src/version.ts
index 0114d6c..543c3a7 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '0.4.6'; // x-release-please-version
+export const VERSION = '0.4.7'; // x-release-please-version