diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1238513..5d4507b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,7 +13,7 @@
 
 ### Misc.
 
-- (deps) Rust 1.87.0 [#84](https://github.com/sectore/timr-tui/pull/84)
+- (deps) Rust 1.88.0 [#85](https://github.com/sectore/timr-tui/pull/85)
 
 ## v1.3.0 - 2025-05-06
 
diff --git a/Cargo.toml b/Cargo.toml
index 0fc2ace..0ae23a3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ version = "1.3.0"
 description = "TUI to organize your time: Pomodoro, Countdown, Timer."
 edition = "2024"
 # Reminder: Always keep `channel` in `rust-toolchain.toml` in sync with `rust-version`.
-rust-version = "1.87.0"
+rust-version = "1.88.0"
 homepage = "https://github.com/sectore/timr-tui"
 repository = "https://github.com/sectore/timr-tui"
 readme = "README.md"
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 3d28492..18095f5 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,6 +1,6 @@
 [toolchain]
 # Reminder: Always keep `rust-version` in `Cargo.toml` in sync with `channel`.
-channel = "1.87.0"
+channel = "1.88.0"
 components = ["clippy", "rustfmt", "rust-src", "rust-analyzer"]
 targets = ["x86_64-pc-windows-gnu", "x86_64-unknown-linux-musl"]
 profile = "minimal"