diff --git a/CHANGELOG.md b/CHANGELOG.md
index 32d95107..18e0aa66 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,7 +9,7 @@
 ### Changed
 
 - Upgrade to Rust edition 2024
-- Raise the minimum supported Rust version to `1.87`
+- Raise the minimum supported Rust version to `1.88`
 - Don't follow symlinks in the file watcher
 - `dev new`: Don't add `.rustlings-state.txt` to `.gitignore`
 
diff --git a/Cargo.toml b/Cargo.toml
index 454f3b80..764b6b66 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ authors = [
 repository = "https://github.com/rust-lang/rustlings"
 license = "MIT"
 edition = "2024" # On Update: Update the edition of `rustfmt` in `dev check` and `CARGO_TOML` in `dev new`.
-rust-version = "1.87"
+rust-version = "1.88"
 
 [workspace.dependencies]
 serde = { version = "1.0", features = ["derive"] }
diff --git a/release-hook.sh b/release-hook.sh
index 42135369..49349337 100755
--- a/release-hook.sh
+++ b/release-hook.sh
@@ -13,4 +13,4 @@ cargo test --workspace
 cargo dev check --require-solutions
 
 # MSRV
-cargo +1.87 dev check --require-solutions
+cargo +1.88 dev check --require-solutions