diff --git a/book/src/usage/install.md b/book/src/usage/install.md
index 1502433bc..be0dc2cd5 100644
--- a/book/src/usage/install.md
+++ b/book/src/usage/install.md
@@ -1,6 +1,6 @@
 # Installing
 Start by installing the `jolt` command line tool.
 ```
-cargo +nightly install --git https://github.com/a16z/jolt --force --bins jolt
+cargo +nightly-2024-09-30 install --git https://github.com/a16z/jolt --force --bins jolt
 ```
 
diff --git a/book/src/usage/quickstart.md b/book/src/usage/quickstart.md
index 739e3c922..1058dbcdc 100644
--- a/book/src/usage/quickstart.md
+++ b/book/src/usage/quickstart.md
@@ -2,7 +2,7 @@
 ## Installing
 Start by installing the `jolt` command line tool.
 ```
-cargo +nightly install --git https://github.com/a16z/jolt --force --bins jolt
+cargo +nightly-2024-09-30 install --git https://github.com/a16z/jolt --force --bins jolt
 ```
 
 ## Creating a Project