diff --git a/.github/workflows/continuous-integration-workflow.yml b/.github/workflows/continuous-integration-workflow.yml
index 1af06671..9da841bc 100644
--- a/.github/workflows/continuous-integration-workflow.yml
+++ b/.github/workflows/continuous-integration-workflow.yml
@@ -28,9 +28,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install nightly toolchain
-        uses: dtolnay/rust-toolchain@master
-        with:
-          toolchain: nightly-2024-02-01
+        uses: dtolnay/rust-toolchain@nightly
 
       - name: Set up rust cache
         uses: Swatinem/rust-cache@v2
@@ -79,9 +77,8 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install nightly toolchain
-        uses: dtolnay/rust-toolchain@master
+        uses: dtolnay/rust-toolchain@nightly
         with:
-          toolchain: nightly-2024-02-01
           targets: wasm32-unknown-unknown
 
       - name: Set up rust cache
@@ -150,9 +147,8 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install nightly toolchain
-        uses: dtolnay/rust-toolchain@master
+        uses: dtolnay/rust-toolchain@nightly
         with:
-          toolchain: nightly-2024-02-01
           components: rustfmt, clippy
 
       - name: Set up rust cache
diff --git a/field/src/lib.rs b/field/src/lib.rs
index d0806bc8..c35441bd 100644
--- a/field/src/lib.rs
+++ b/field/src/lib.rs
@@ -3,7 +3,6 @@
 #![allow(clippy::type_complexity)]
 #![allow(clippy::len_without_is_empty)]
 #![allow(clippy::needless_range_loop)]
-#![feature(stdsimd)]
 #![feature(specialization)]
 #![cfg_attr(not(test), no_std)]
 
diff --git a/rust-toolchain b/rust-toolchain
index 471d867d..07ade694 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2024-02-01
\ No newline at end of file
+nightly
\ No newline at end of file