diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 06f45e42..77a522e8 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -1,20 +1,13 @@
 name: Benchmark
 on:
   - pull_request
+permissions:
+  pull-requests: write    # needed to post comments
 jobs:
   benchmark:
     name: Benchmark
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: julia-actions/setup-julia@latest
+      - uses: MilesCranmer/AirspeedVelocity.jl@action-v1
         with:
-          version: "1"
-      - run: git fetch origin '+refs/heads/master:refs/remotes/origin/master'
-      - run: git branch master origin/master
-      - run: |
-          julia --project=benchmark -e '
-            using Pkg
-            Pkg.develop(PackageSpec(path=pwd()))
-            Pkg.instantiate()'
-      - run: julia --project=benchmark benchmark/runbenchmarks.jl
+          julia-version: '1'
diff --git a/benchmark/runbenchmarks.jl b/benchmark/runbenchmarks.jl
deleted file mode 100644
index 06bedc74..00000000
--- a/benchmark/runbenchmarks.jl
+++ /dev/null
@@ -1,81 +0,0 @@
-# This file was adapted from Transducers.jl
-# which is available under an MIT license (see LICENSE).
-using ArgParse
-using PkgBenchmark
-using Markdown
-
-function displayresult(result)
-    md = sprint(export_markdown, result)
-    md = replace(md, ":x:" => "❌")
-    md = replace(md, ":white_check_mark:" => "✅")
-    display(Markdown.parse(md))
-end
-
-function printnewsection(name)
-    println()
-    println()
-    println()
-    printstyled("▃" ^ displaysize(stdout)[2]; color=:blue)
-    println()
-    printstyled(name; bold=true)
-    println()
-    println()
-end
-
-function parse_commandline()
-    s = ArgParseSettings()
-
-    @add_arg_table! s begin
-        "--target"
-            help = "the branch/commit/tag to use as target"
-            default = "HEAD"
-        "--baseline"
-            help = "the branch/commit/tag to use as baseline"
-            default = "master"
-        "--retune"
-            help = "force re-tuning (ignore existing tuning data)"
-            action = :store_true
-    end
-
-    return parse_args(s)
-end
-
-function main()
-    parsed_args = parse_commandline()
-    
-    mkconfig(; kwargs...) =
-        BenchmarkConfig(
-            env = Dict(
-                "JULIA_NUM_THREADS" => "1",
-            );
-            kwargs...
-        )
-        
-    target = parsed_args["target"]
-    group_target = benchmarkpkg(
-        dirname(@__DIR__),
-        mkconfig(id = target),
-        resultfile = joinpath(@__DIR__, "result-$(target).json"),
-        retune = parsed_args["retune"],
-    )
-
-    baseline = parsed_args["baseline"]
-    group_baseline = benchmarkpkg(
-        dirname(@__DIR__),
-        mkconfig(id = baseline),
-        resultfile = joinpath(@__DIR__, "result-$(baseline).json"),
-    )
-
-    printnewsection("Target result")
-    displayresult(group_target)
-
-    printnewsection("Baseline result")
-    displayresult(group_baseline)
-    
-    judgement = judge(group_target, group_baseline)
-    
-    printnewsection("Judgement result")
-    displayresult(judgement)
-end
-
-main()