diff --git a/.github/workflows/nightly-cranelift.yml b/.github/workflows/nightly-cranelift.yml
index 8b3bfab7071c..c3dd7445fd8b 100644
--- a/.github/workflows/nightly-cranelift.yml
+++ b/.github/workflows/nightly-cranelift.yml
@@ -36,6 +36,8 @@ jobs:
 
         cat Cargo.toml
 
+        cargo fetch
+
     - name: Build without unstable features
       # This is the config rust-lang/rust uses for builds
       run: ./y.rs build --no-unstable-features
diff --git a/build_system/utils.rs b/build_system/utils.rs
index afbb1b0e5be4..f2b1fecedc16 100644
--- a/build_system/utils.rs
+++ b/build_system/utils.rs
@@ -111,7 +111,8 @@ impl CargoProject {
             .arg("--manifest-path")
             .arg(self.manifest_path(dirs))
             .arg("--target-dir")
-            .arg(self.target_dir(dirs));
+            .arg(self.target_dir(dirs))
+            .arg("--frozen");
 
         cmd
     }