diff --git a/book-example/src/continuous-integration.md b/book-example/src/continuous-integration.md
index d8db9658..4c4a7147 100644
--- a/book-example/src/continuous-integration.md
+++ b/book-example/src/continuous-integration.md
@@ -22,7 +22,7 @@ rust:
 
 before_script:
   - (test -x $HOME/.cargo/bin/cargo-install-update || cargo install cargo-update)
-  - (test -x $HOME/.cargo/bin/mdbook || cargo install --vers "^0.1" mdbook)
+  - (test -x $HOME/.cargo/bin/mdbook || cargo install --vers "^0.2" mdbook)
   - cargo install-update -a
 
 script: