diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4d0d139..2cedb5d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.63.0
+          - 1.64.0
           - stable
           - beta
           - nightly
diff --git a/Cargo.toml b/Cargo.toml
index 39e2614..0146c38 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ version = "0.22.1"
 edition = "2018"
 readme = "README.md"
 include = ["examples/**/*", "src/**/*", "LICENSE", "README.md", "CHANGELOG.md"]
-rust-version = "1.63"
+rust-version = "1.64"
 
 [features]
 default = ["handshake"]