diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 614832a0cea..9e19e17d175 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -152,8 +152,8 @@ jobs:
           key: ${{ runner.os }}-cargo-miri-${{ hashFiles('**/Cargo.lock') }}
       - name: Setup toolchain
         run: |
-          rustup toolchain install nightly-2021-03-25
-          rustup default nightly-2021-03-25
+          rustup toolchain install nightly
+          rustup default nightly
           rustup component add rustfmt miri
       - name: Run
         env:
@@ -259,11 +259,11 @@ jobs:
         uses: actions/cache@v2
         with:
           path: /github/home/target
-          key: ${{ runner.os }}-amd64-target-wasm32-cache-nightly-2021-03-25
+          key: ${{ runner.os }}-amd64-target-wasm32-cache-nightly
       - name: Setup toolchain
         run: |
-          rustup toolchain install nightly-2021-03-25
-          rustup override set nightly-2021-03-25
+          rustup toolchain install nightly
+          rustup override set nightly
           rustup component add rustfmt
           rustup target add wasm32-unknown-unknown
       - name: Build arrow crate
@@ -299,8 +299,8 @@ jobs:
           key: ${{ runner.os }}-amd64-target-simd-cache-
       - name: Setup toolchain
         run: |
-          rustup toolchain install nightly-2021-03-24
-          rustup default nightly-2021-03-24
+          rustup toolchain install nightly
+          rustup default nightly
       - name: Run
         run: |
           export CARGO_HOME="/github/home/.cargo"