diff --git a/.github/workflows/CICD.yml b/.github/workflows/CICD.yml
index 749270e..9310d92 100644
--- a/.github/workflows/CICD.yml
+++ b/.github/workflows/CICD.yml
@@ -1,7 +1,7 @@
 name: CICD
 
 env:
-  MIN_SUPPORTED_RUST_VERSION: "1.40.0"
+  MIN_SUPPORTED_RUST_VERSION: "1.46.0"
   CICD_INTERMEDIATES_DIR: "_cicd-intermediates"
 
 on:
diff --git a/README.md b/README.md
index b3becb8..6ea8e4b 100644
--- a/README.md
+++ b/README.md
@@ -124,7 +124,7 @@ or Windows Terminal since Windows 10 1903).
 
 ### Via cargo
 
-If you have Rust 1.40 or higher, you can install `hexyl` from source via `cargo`:
+If you have Rust 1.46 or higher, you can install `hexyl` from source via `cargo`:
 ```
 cargo install hexyl
 ```