diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a9b4570236..4079fb0afb 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -40,7 +40,7 @@ jobs:
           - name: msrv
             os: ubuntu-20.04
             # sync MSRV with docs: guide/src/guide/installation.md and Cargo.toml
-            rust: 1.74.0
+            rust: 1.75.0
             target: x86_64-unknown-linux-gnu
     name: ${{ matrix.name }}
     steps:
diff --git a/Cargo.toml b/Cargo.toml
index d6ce7202cc..662a39bf4a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ license = "MPL-2.0"
 readme = "README.md"
 repository = "https://github.com/rust-lang/mdBook"
 description = "Creates a book from markdown files"
-rust-version = "1.74"
+rust-version = "1.75"
 
 [dependencies]
 anyhow = "1.0.71"
diff --git a/guide/src/guide/installation.md b/guide/src/guide/installation.md
index 173b078cd7..19c93ba9c7 100644
--- a/guide/src/guide/installation.md
+++ b/guide/src/guide/installation.md
@@ -20,7 +20,7 @@ To make it easier to run, put the path to the binary into your `PATH`.
 
 To build the `mdbook` executable from source, you will first need to install Rust and Cargo.
 Follow the instructions on the [Rust installation page].
-mdBook currently requires at least Rust version 1.74.
+mdBook currently requires at least Rust version 1.75.
 
 Once you have installed Rust, the following command can be used to build and install mdBook: