diff --git a/tools/ci b/tools/ci
index fa86712..5cdf1bd 100755
--- a/tools/ci
+++ b/tools/ci
@@ -1,3 +1,3 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -e
 ./tools/uv run ./tools/run.py "$@"
diff --git a/tools/run.py b/tools/run.py
index 1ef7f63..e625984 100644
--- a/tools/run.py
+++ b/tools/run.py
@@ -11,7 +11,7 @@
 
 def run(*args: str) -> None:
     try:
-        subprocess.run(["/bin/bash", str(here / "uv"), "run", *args], check=True)
+        subprocess.run(["/usr/bin/env", "bash", str(here / "uv"), "run", *args], check=True)
     except subprocess.CalledProcessError as e:
         sys.exit(e.returncode)
 
diff --git a/tools/uv b/tools/uv
index 8575713..806cf01 100755
--- a/tools/uv
+++ b/tools/uv
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 TOOLS="$( cd "$( dirname "${BASH_SOURCE[0]:-$0}" )" && pwd )"
 BOOTSTRAP_VENV="$TOOLS/.bootstrap-venv"