diff --git a/Cargo.toml b/Cargo.toml
index 9872e3a8..e4eac8db 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ keywords = [
 license = "Apache-2.0"
 readme = "README.md"
 repository = "https://github.com/matrix-construct/tuwunel"
-rust-version = "1.86.0"
+rust-version = "1.88.0"
 version = "1.2.0"
 
 [workspace.metadata.crane]
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index aadc8f99..a1afc235 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -9,7 +9,7 @@
 # If you're having trouble making the relevant changes, bug a maintainer.
 
 [toolchain]
-channel = "1.86.0"
+channel = "1.88.0"
 profile = "minimal"
 components = [
     # For rust-analyzer