diff --git a/runs/miniseries.sh b/runs/miniseries.sh
index 01c4459..074c87e 100644
--- a/runs/miniseries.sh
+++ b/runs/miniseries.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # See speedrun.sh for more comments
 # Usage: ./miniseries.sh [series_name]
diff --git a/runs/runcpu.sh b/runs/runcpu.sh
index 853fa1f..277e7dc 100755
--- a/runs/runcpu.sh
+++ b/runs/runcpu.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Showing an example run for exercising some of the code paths on the CPU (or MPS on Macbooks)
 # This script was last updated/tuned on Jan 17, 2026.
diff --git a/runs/scaling_laws.sh b/runs/scaling_laws.sh
index f1e2fd4..6958ddd 100644
--- a/runs/scaling_laws.sh
+++ b/runs/scaling_laws.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 LABEL="jan26"
 
diff --git a/runs/speedrun.sh b/runs/speedrun.sh
index fa50694..bafd5ec 100644
--- a/runs/speedrun.sh
+++ b/runs/speedrun.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # This script is configured to train your own GPT-2 grade LLM (pretraining + finetuning)
 # It is designed to run on a blank 8XH100 GPU node and takes approximately 3 hours to complete.