diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a50d29e..985df89 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
       matrix:
         rust:
           - stable
-          - 1.59
+          - 1.64
         include:
           - rust: stable
             extra_components: rustfmt
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8a78470..82cf20f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## unreleased
 
+*   minimum Rust version is now 1.64.
 *   remove obsolete workaround for GW security GW security GW4089IP's bad out-of-band parameters.
     Instead, we treat them as unparseable and ignore them as described in the
     `v0.4.2` notes below.
diff --git a/Cargo.toml b/Cargo.toml
index 160774e..4295d9b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ categories = ["network-programming", "multimedia"]
 description = "high-level RTSP multimedia streaming library"
 repository = "https://github.com/scottlamb/retina"
 include = ["src/**/*", "benches", "Cargo.toml"]
-rust-version = "1.59"
+rust-version = "1.64"
 
 [dependencies]
 base64 = "0.13.0"
diff --git a/examples/client/Cargo.toml b/examples/client/Cargo.toml
index c4fbc73..8c599c0 100644
--- a/examples/client/Cargo.toml
+++ b/examples/client/Cargo.toml
@@ -3,7 +3,7 @@ name = "client"
 version = "0.0.0"
 publish = false
 edition = "2021"
-rust-version = "1.59"
+rust-version = "1.64"
 
 [dependencies]
 bytes = "1.0.1"
diff --git a/examples/webrtc-proxy/Cargo.toml b/examples/webrtc-proxy/Cargo.toml
index de87ed0..1dce7b0 100644
--- a/examples/webrtc-proxy/Cargo.toml
+++ b/examples/webrtc-proxy/Cargo.toml
@@ -2,6 +2,7 @@
 name = "webrtc-proxy"
 version = "0.1.0"
 edition = "2021"
+rust-version = "1.64"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html