diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2c622a4..ddbf969 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions-rs/toolchain@v1
       with:
-        toolchain : nightly-2023-06-28
+        toolchain : nightly
         components: rustfmt
     - uses: actions-rs/cargo@v1
       with: 
@@ -25,7 +25,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions-rs/toolchain@v1
       with:
-        toolchain: nightly-2023-06-28
+        toolchain: nightly
         target: thumbv7em-none-eabihf
         override: true
     - name: Prologue