From 33ca535e178046818195cb3eb0c08318ab181431 Mon Sep 17 00:00:00 2001
From: Bryan Richter <bryan@haskell.foundation>
Date: Fri, 13 Feb 2026 10:29:07 +0200
Subject: [PATCH] Fall back to previous cache key

---
 .github/workflows/build.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e770c22..914a302 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,7 +19,9 @@ jobs:
             ~/.ghcup
             ~/.stack
           key: stack-${{ runner.os }}-${{ hashFiles('stack.yaml') }}
-          restore-keys: stack-${{ runner.os }}-
+          restore-keys: |
+            stack-${{ runner.os }}-
+            ${{ runner.os }}-
       - uses: haskell/ghcup-setup@v1
         with:
           stack-hook: true