diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 663b1c8..cd1346b 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -43,7 +43,7 @@ jobs:
         with:
           components: clippy, rustfmt
       - name: Cache Cargo registry and build artefacts
-        uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2
+        uses: Swatinem/rust-cache@d1527c8f67ef9af357290475d4af4b0fab8f12e0 # v2
       # ---- OCaml ----
       - name: Set up OCaml
         uses: ocaml/setup-ocaml@93303b622b2522e4411e295f9e77411a24912ac7 # v3