diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 1f1ee1b63f..5359105391 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -269,8 +269,10 @@ jobs:
         - tracing
     steps:
     - uses: actions/checkout@v4
-    - uses: dtolnay/rust-toolchain@stable
+    - name: Install Rust 1.81
+      uses: dtolnay/rust-toolchain@stable
       with:
+        toolchain: 1.81
         target: wasm32-unknown-unknown
     - name: install test runner for wasm
       uses: taiki-e/install-action@wasm-pack
diff --git a/examples/Cargo.toml b/examples/Cargo.toml
index fefb90ef05..8d15f8757b 100644
--- a/examples/Cargo.toml
+++ b/examples/Cargo.toml
@@ -3,7 +3,7 @@ name = "tracing-examples"
 version = "0.0.0"
 publish = false
 edition = "2018"
-rust-version = "1.63.0"
+rust-version = "1.64.0"
 
 [features]
 default = []