From 8f8b1cc8f1e02f0571f286453dd4fe14aad82cbe Mon Sep 17 00:00:00 2001
From: Junichi Uekawa <dancer@debian.org>
Date: Sat, 14 Jan 2023 17:57:35 +0900
Subject: [PATCH] update oldest rust to 1.56.1

cargo test passes.
---
 .github/workflows/ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 10c7d3a..420045e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        rust: [1.39.0, stable, beta, nightly]
+        rust: [1.56.1, stable, beta, nightly]
     steps:
     - name: Checkout
       uses: actions/checkout@v2