diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 82ac262f..38efb8df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -112,10 +112,7 @@ jobs:
       - name: tests
         if: matrix.target.os == 'ubuntu-latest'
         run: |
-          sudo bash -c "ulimit -l 512"
-          cargo ci-test
-          cargo ci-test-rt-linux
-          cargo ci-test-server-linux
+          sudo bash -c "ulimit -Sl 512 && ulimit -Hl 512 && PATH=$PATH:/usr/share/rust/.cargo/bin && RUSTUP_TOOLCHAIN=stable cargo ci-test && RUSTUP_TOOLCHAIN=stable cargo ci-test-rt-linux && RUSTUP_TOOLCHAIN=stable cargo ci-test-server-linux"
 
       - name: Clear the cargo caches
         run: |