diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 38161a0f..a8efedd9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -99,7 +99,7 @@ jobs:
         run: rustup install
 
       - name: Install nextest
-        run: cargo install cargo-nextest
+        run: cargo install --locked cargo-nextest
 
       - name: Run tests
         env: