diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 6da87c38ea1..d40dea14b86 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -25,6 +25,8 @@ jobs:
           toolchain: nightly-2021-10-24
           override: true
       - uses: Swatinem/rust-cache@v1
+        with:
+          key: key1
       - name: Install Miri
         run: |
           rustup component add miri
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 43300789307..1dd6d1aaa9e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -77,6 +77,8 @@ jobs:
           toolchain: nightly-2021-10-24
           override: true
       - uses: Swatinem/rust-cache@v1
+        with:
+          key: key1
       - name: Install Miri
         run: |
           rustup component add miri
@@ -96,6 +98,8 @@ jobs:
           toolchain: nightly-2021-10-24
           override: true
       - uses: Swatinem/rust-cache@v1
+        with:
+          key: key1
       - name: Install Miri
         run: |
           rustup component add miri