diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0561adeb80..ec707a12a6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ on:
 
 env:
   RUST_BACKTRACE: 1
-  RUST_VERSION: 1.65
+  RUST_VERSION: 1.64
   PKG_CONFIG_ALLOW_CROSS: 1 # allow android to work
   RUSTFLAGS: --cfg=web_sys_unstable_apis -D warnings
   RUSTDOCFLAGS: -Dwarnings
diff --git a/.github/workflows/cts.yml b/.github/workflows/cts.yml
index 0c76a861da..332fc7fb6d 100644
--- a/.github/workflows/cts.yml
+++ b/.github/workflows/cts.yml
@@ -9,7 +9,7 @@ on:
 
 env:
   RUST_BACKTRACE: 1
-  RUST_VERSION: 1.65
+  RUST_VERSION: 1.64
 
 jobs:
   cts:
diff --git a/Cargo.toml b/Cargo.toml
index 211736a5fa..1eb3768f0e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ default-members = ["wgpu", "wgpu-hal", "wgpu-info"]
 
 [workspace.package]
 edition = "2021"
-rust-version = "1.65"
+rust-version = "1.64"
 keywords = ["graphics"]
 license = "MIT OR Apache-2.0"
 homepage = "https://wgpu.rs/"
diff --git a/README.md b/README.md
index 38d3847fd6..48590872ac 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ For an overview of all the components in the gfx-rs ecosystem, see [the big pict
 
 ### MSRV policy
 
-Minimum Supported Rust Version is **1.65**.
+Minimum Supported Rust Version is **1.64**.
 It is enforced on CI (in "/.github/workflows/ci.yml") with `RUST_VERSION` variable.
 This version can only be upgraded in breaking releases.