diff --git a/.release-please/main-manifest.json b/.release-please/main-manifest.json
index f87262a..047c623 100644
--- a/.release-please/main-manifest.json
+++ b/.release-please/main-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.15.0"
+  ".": "0.15.1"
 }
diff --git a/.release-please/next-manifest.json b/.release-please/next-manifest.json
index f87262a..047c623 100644
--- a/.release-please/next-manifest.json
+++ b/.release-please/next-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.15.0"
+  ".": "0.15.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8785ddc..66da0e7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@ All notable changes to this project are documented here, generated by
 [release-please](https://github.com/googleapis/release-please) from
 [Conventional Commits](https://www.conventionalcommits.org).
 
+## [0.15.1](https://github.com/taraxvoid/voidflow/compare/v0.15.0...v0.15.1) (2026-10-24)
+
+
+### Bug Fixes
+
+* **biome:** treat HTML whitespace as significant in every element ([#221](https://github.com/taraxvoid/voidflow/issues/221)) ([9ea13db](https://github.com/taraxvoid/voidflow/commit/9ea13db4428316ffd1a2bab8a4dc718a68df19e4))
+
 ## [0.15.0](https://github.com/taraxvoid/voidflow/compare/v0.14.0...v0.15.0) (2026-10-24)
 
 
diff --git a/README.md b/README.md
index fd5d72b..0f64a92 100644
--- a/README.md
+++ b/README.md
@@ -305,7 +305,9 @@ Needs Biome 2. In the site's `biome.json`:
 
 The base sets formatting (4-space indent, width 80, single quotes, semicolons
 as needed), the `recommended` rules, and turns off unused-import/variable rules
-in `.astro` files. It has no ignore lists. Lists like `files.includes` and
+in `.astro` files. HTML formatting uses `whitespaceSensitivity: "strict"`, so
+the formatter never drops a space at the edge of an element's text (such as
+`<a href="/x">docs </a>and`). It has no ignore lists. Lists like `files.includes` and
 `overrides` merge with the base; single values in the site win.
 
 ## Renovate
diff --git a/biome/base.json b/biome/base.json
index 9012e13..8f6a1c7 100644
--- a/biome/base.json
+++ b/biome/base.json
@@ -33,7 +33,8 @@
     "html": {
         "formatter": {
             "indentScriptAndStyle": false,
-            "selfCloseVoidElements": "always"
+            "selfCloseVoidElements": "always",
+            "whitespaceSensitivity": "strict"
         }
     },
     "css": {
diff --git a/jsr.json b/jsr.json
index 7c545ac..91ee14a 100644
--- a/jsr.json
+++ b/jsr.json
@@ -1,6 +1,6 @@
 {
   "name": "@taraxvoid/voidflow",
-  "version": "0.15.0",
+  "version": "0.15.1",
   "license": "MIT",
   "exports": {
     "./playwright": "./playwright/index.mjs"
diff --git a/package.json b/package.json
index fcc62c7..65746e3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@taraxvoid/voidflow",
-    "version": "0.15.0",
+    "version": "0.15.1",
     "description": "Enter a flow state of security, stability, and developer ergonomics - batteries-included Biome, vitest, Astro, local hooks, CI and deployments on Netlify and Cloudflare support with GitHub rulesets, branch environments, releases and security checks.",
     "license": "MIT",
     "keywords": [