diff --git a/scripts/docs_build.sh b/scripts/docs_build.sh
index 466f818..9a457a0 100644
--- a/scripts/docs_build.sh
+++ b/scripts/docs_build.sh
@@ -1,6 +1,6 @@
 set -ex
 
-URL_MDBOOK="https://github.com/rust-lang/mdBook/releases/download/v0.4.40/mdbook-v0.4.40-x86_64-unknown-linux-gnu.tar.gz"
+URL_MDBOOK="https://github.com/rust-lang/mdBook/releases/download/v0.4.44/mdbook-v0.4.44-x86_64-unknown-linux-gnu.tar.gz"
 LATEST_VERSION=$(git describe --tags --abbrev=0 origin/master)
 
 if [[ -z "$WIKICMD_DOCS_BUILD_SAVE_AS" ]]