From b9e8c74d4fa8ef86c7567484290914a8350d4ee3 Mon Sep 17 00:00:00 2001
From: David Rusu <davidrusu.me@gmail.com>
Date: Thu, 30 Oct 2025 16:47:08 +0400
Subject: [PATCH] update cache to v4

---
 .github/workflows/build-circuits.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-circuits.yml b/.github/workflows/build-circuits.yml
index d2d36db..2391557 100644
--- a/.github/workflows/build-circuits.yml
+++ b/.github/workflows/build-circuits.yml
@@ -89,7 +89,7 @@ jobs:
 
       - name: Cache Powers of Tau
         id: cache-ptau
-        uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2
+        uses: actions/cache@v4
         with:
           path: ${{ env.PTAU_FILE }}
           key: ptau-${{ env.PTAU_FILE }}