diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7e275c87b30a..c2f419851336 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -337,6 +337,7 @@ jobs:
           # fall back to (latest) previous cache
           restore-keys: |
             ${{ matrix.name }}-build-v3
+          save-always: true
       # open nix-shell once for initial setup
       - name: Setup
         run: |
diff --git a/.github/workflows/nix-ci.yml b/.github/workflows/nix-ci.yml
index b6dc88d43896..ac8b8c6ada7e 100644
--- a/.github/workflows/nix-ci.yml
+++ b/.github/workflows/nix-ci.yml
@@ -62,6 +62,7 @@ jobs:
           # fall back to (latest) previous cache
           restore-keys: |
             ${{ matrix.name }}-nix-store-cache
+          save-always: true
       - name: Further Set Up Nix Cache
         shell: bash -euxo pipefail {0}
         run: |
@@ -85,6 +86,7 @@ jobs:
           # fall back to (latest) previous cache
           restore-keys: |
             ${{ matrix.name }}-nix-ccache
+          save-always: true
       - name: Further Set Up CCache Cache
         run: |
           sudo chown -R root:nixbld /nix/var/cache