--- a/taskvine/src/tools/vine_plot_txn_log
+++ b/taskvine/src/tools/vine_plot_txn_log
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/python3
 
 # Copyright (C) 2023- The University of Notre Dame
 # This software is distributed under the GNU General Public License.
--- a/taskvine/src/tools/vine_profile_dispatch
+++ b/taskvine/src/tools/vine_profile_dispatch
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/python3
 
 # Copyright (C) 2023- The University of Notre Dame
 # This software is distributed under the GNU General Public License.
--- a/taskvine/src/tools/vine_transfer_plot_animate
+++ b/taskvine/src/tools/vine_transfer_plot_animate
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/python3
 
 # Copyright (C) 2024- The University of Notre Dame
 # This software is distributed under the GNU General Public License.
--- a/work_queue/src/work_queue_graph_workers
+++ b/work_queue/src/work_queue_graph_workers
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 
 # Copyright (C) 2022 The University of Notre Dame
 # This software is distributed under the GNU General Public License.
--- a/taskvine/src/tools/vine_plot_compose
+++ b/taskvine/src/tools/vine_plot_compose
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#!/usr/bin/python3
 
 # Copyright (C) 2024- The University of Notre Dame
 # This software is distributed under the GNU General Public License.