diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a7eb05e31..5089b629d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,17 @@
 # Changelog
 
+## mdBook 0.4.27
+[v0.4.26...v0.4.27](https://github.com/rust-lang/mdBook/compare/v0.4.26...v0.4.27)
+
+### Changed
+- Reverted the dependency update to the `toml` crate. This was an unintentional breaking change in 0.4.26.
+  [#2021](https://github.com/rust-lang/mdBook/pull/2021)
+
 ## mdBook 0.4.26
 [v0.4.25...v0.4.26](https://github.com/rust-lang/mdBook/compare/v0.4.25...v0.4.26)
 
+**The 0.4.26 release has been yanked due to an unintentional breaking change.**
+
 ### Changed
 - Removed custom scrollbars for webkit browsers
   [#1961](https://github.com/rust-lang/mdBook/pull/1961)
diff --git a/Cargo.lock b/Cargo.lock
index 45ed9fdd6a..551959b5fa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -903,7 +903,7 @@ dependencies = [
 
 [[package]]
 name = "mdbook"
-version = "0.4.26"
+version = "0.4.27"
 dependencies = [
  "ammonia",
  "anyhow",
diff --git a/Cargo.toml b/Cargo.toml
index a9efe64589..61c8ba70a9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mdbook"
-version = "0.4.26"
+version = "0.4.27"
 authors = [
     "Mathieu David <mathieudavid@mathieudavid.org>",
     "Michael-F-Bryan <michaelfbryan@gmail.com>",
diff --git a/guide/src/continuous-integration.md b/guide/src/continuous-integration.md
index 8c25fdc195..1da07a3403 100644
--- a/guide/src/continuous-integration.md
+++ b/guide/src/continuous-integration.md
@@ -21,7 +21,7 @@ A simple approach would be to use the popular `curl` CLI tool to download the ex
 
 ```sh
 mkdir bin
-curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.26/mdbook-v0.4.26-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=bin
+curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.27/mdbook-v0.4.27-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=bin
 bin/mdbook build
 ```