diff --git a/.gitea/workflows/checks.yaml b/.gitea/workflows/checks.yaml
index ca84d435..7f1fda2f 100644
--- a/.gitea/workflows/checks.yaml
+++ b/.gitea/workflows/checks.yaml
@@ -8,4 +8,4 @@ jobs:
     runs-on: nix
     steps:
       - uses: actions/checkout@v3
-      - run: bash ./scripts/ci
+      - run: nix run --refresh github:Mic92/nix-ci-build
diff --git a/scripts/ci b/scripts/ci
deleted file mode 100755
index 85e76654..00000000
--- a/scripts/ci
+++ /dev/null
@@ -1,61 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-
-args=(
-  "$@"
-  --accept-flake-config
-  --gc-roots-dir gc-root
-  --option allow-import-from-derivation false
-  --show-trace
-  --force-recurse
-  --workers "$(nproc)"
-  --flake ".#checks.x86_64-linux"
-)
-
-summary=summary.log
-
-if [[ -n "${GITHUB_STEP_SUMMARY-}" ]]; then
-  log() {
-    echo "$*" >> "$GITHUB_STEP_SUMMARY"
-  }
-else
-  log() {
-    echo "$*" > "$summary"
-  }
-fi
-
-rc=0
-
-nix shell --inputs-from '.#' "nixpkgs#nix-eval-jobs" -c nix-eval-jobs "${args[@]}" > "jobs.json"
-
-for job in $(jq -r '. | @base64' < "jobs.json"); do
-  job=$(echo "$job" | base64 -d)
-  attr=$(echo "$job" | jq -r .attr)
-  echo "### $attr"
-  error=$(echo "$job" | jq -r .error)
-  if [[ $error != null ]]; then
-    log "### ❌ $attr"
-    log
-    log "<details><summary>Eval error:</summary><pre>"
-    log "$error"
-    log "</pre></details>"
-    rc=1
-  else
-    drvPath=$(echo "$job" | jq -r .drvPath)
-    if ! nix-store --option keep-going true --realize "$drvPath" 2>&1 | tee build-log.txt; then
-      log "### ❌ $attr"
-      log
-      log "<details><summary>Build error:</summary>last 50 lines:<pre>"
-      log "$(tail -n 50 build-log.txt)"
-      log "</pre></details>"
-      rc=1
-    else
-      log "### ✅ $attr"
-    fi
-    log
-    rm build-log.txt
-  fi
-done
-
-if [[ -f "$summary" ]]; then cat "$summary"; fi
-exit "$rc"