From 1619d1e036a7a33e5353d35992f2e3bc614fbe5e Mon Sep 17 00:00:00 2001
From: James Gebbie-Rayet <james.gebbie@stfc.ac.uk>
Date: Thu, 15 Oct 2026 11:19:52 +0100
Subject: [PATCH] Update flit installation version constraints

---
 .github/workflows/release.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index a8e8af4..e682808 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -120,7 +120,7 @@ jobs:
     - name: Install flit
       run: |
         python -m pip install --upgrade pip
-        python -m pip install flit~=3.9
+        python -m pip install "flit>=4,<5" "flit_core>=4,<5"
 
     - name: Build and publish
       run: |