diff --git a/.gitignore b/.gitignore
index c85fe68..9487e48 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,4 +9,4 @@ dist-deno
 /*.tgz
 .idea/
 .eslintcache
-
+oidc
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c0243c5..579ced5 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.26.5"
+  ".": "0.26.6"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 815f851..85bb91b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Changelog
 
+## 0.26.6 (2026-04-12)
+
+Full Changelog: [v0.26.5...v0.26.6](https://github.com/perplexityai/perplexity-node/compare/v0.26.5...v0.26.6)
+
+### Bug Fixes
+
+* **internal:** gitignore generated `oidc` dir ([b92ff78](https://github.com/perplexityai/perplexity-node/commit/b92ff78ef1d6786d3ba664be8368c1e55af01e0f))
+
+
+### Chores
+
+* **internal:** codegen related update ([372e0a8](https://github.com/perplexityai/perplexity-node/commit/372e0a8004ea62a868e1ac5017ebe7cd5495daba))
+* **internal:** codegen related update ([c1520fa](https://github.com/perplexityai/perplexity-node/commit/c1520fab736e08cd37194f3df6355acbb797ff18))
+* **internal:** codegen related update ([2af2538](https://github.com/perplexityai/perplexity-node/commit/2af2538a3d7a7f948109febcdd9a4ff2b7b26ce4))
+
 ## 0.26.5 (2026-03-24)
 
 Full Changelog: [v0.26.4...v0.26.5](https://github.com/perplexityai/perplexity-node/compare/v0.26.4...v0.26.5)
diff --git a/package.json b/package.json
index fabca53..2880d11 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@perplexity-ai/perplexity_ai",
-  "version": "0.26.5",
+  "version": "0.26.6",
   "description": "The official TypeScript library for the Perplexity API",
   "author": "Perplexity <api@perplexity.ai>",
   "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 dfb24b0..82226f2 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '0.26.5'; // x-release-please-version
+export const VERSION = '0.26.6'; // x-release-please-version
diff --git a/yarn.lock b/yarn.lock
index 078f09a..f6eae3c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1220,9 +1220,9 @@ baseline-browser-mapping@^2.9.0:
   integrity sha512-B0xUquLkiGLgHhpPBqvl7GWegWBUNuujQ6kXd/r1U38ElPT6Ok8KZ8e+FpUGEc2ZoRQUzq/aUnaKFc/svWUGSg==
 
 brace-expansion@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-2.0.2.tgz#54fc53237a613d854c7bd37463aad17df87214e7"
-  integrity sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ==
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-2.1.0.tgz#4f41a41190216ee36067ec381526fe9539c4f0ae"
+  integrity sha512-TN1kCZAgdgweJhWWpgKYrQaMNHcDULHkWwQIspdtjV4Y5aurRdZpjAqn6yX3FPqTA9ngHCc4hJxMAMgGfve85w==
   dependencies:
     balanced-match "^1.0.0"