diff --git a/Handbook/GNUmakefile b/Handbook/GNUmakefile
index c1263d91..66d60ca1 100644
--- a/Handbook/GNUmakefile
+++ b/Handbook/GNUmakefile
@@ -365,7 +365,7 @@ clean:
 .PHONY: install-build-deps
 install-build-deps:
 	@echo "Installing build dependencies if they have not already been installed..."
-	@cargo install mdbook --vers "^0.4" --locked
+	@cargo install mdbook --version "0.4.49" --locked
 	@cargo install xq --vers "^0.4" --locked
 	@cargo install mdbook-alerts --vers "^0.7" --locked
 	@cargo install mdbook-pdf --vers "^0.1" --locked
diff --git a/Handbook/src/appendix/changelog.md b/Handbook/src/appendix/changelog.md
index 8beaaa93..af0dc432 100644
--- a/Handbook/src/appendix/changelog.md
+++ b/Handbook/src/appendix/changelog.md
@@ -27,6 +27,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Documentation
 
 - Revised the outdated [Plugin Directory Structure](./directory-structure.html) section to accurately reflect the latest changes to the `Source/ThirdParty` directory layout changes.
+- Lock the [mdbook](https://github.com/rust-lang/mdBook) crate version to `v0.49.0` to avoid layout issues introduced with `v0.50.0`.
 
 ## [2.5.0] - 2025-05-09