diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 03b49fc..e5b4678 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -71,7 +71,8 @@ jobs:
           override: true
       - uses: actions-rs/tarpaulin@v0.1
         with:
-          version: "latest"
+          # Constrained by https://github.com/actions-rs/tarpaulin/pull/23
+          version: "0.22.0"
           args: "--ignore-tests"
           out-type: "Html"
       - uses: actions/upload-artifact@v3