diff --git a/Makefile b/Makefile
index b368305c046157ac881360972f48f4b44914a20b..6dfc732ef675eb9677226f73214f51d5ad8afe5f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,10 @@
-program := $(shell python -Ssc 'from package_info import name; print(name)')
-version := $(shell python -Ssc 'from package_info import version; print(version)')
+program := $(shell python3 -Ssc 'from package_info import name; print(name)')
+version := $(shell python3 -Ssc 'from package_info import version; print(version)')
 package = $(program)-$(version)
 
 prefix = /usr/local
 
-PYTHON = python
+PYTHON = python3
 PIP = pip
 
 all:
diff --git a/compconfig b/compconfig
index e5ef1bde9f906492bf9f2c7d343b987a3efb757a..f980688793d31875b27f6ce9e2beb5f37a46d270 100755
--- a/compconfig
+++ b/compconfig
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 '''\
 Compare the given config files, return information shared by all files 
 
diff --git a/diffconfig b/diffconfig
index a0be1cb017d1f0e13dd64ee8a673dc31afc8fa15..0ef1ad70781c9d2764f64a3cd6422489130d45d3 100755
--- a/diffconfig
+++ b/diffconfig
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 '''\
 Show differences between two configuration files (config1 - config2)
 
diff --git a/doc/mkexp.fodt b/doc/mkexp.fodt
index ab0cf392d5484520d7c129c40ccfaf3c94618675..a3c3382f4decde997ab61ed1633bf989a0e9371c 100644
--- a/doc/mkexp.fodt
+++ b/doc/mkexp.fodt
@@ -3879,11 +3879,11 @@
    <text:p text:style-name="Preformatted_20_Text"><text:s text:c="2"/>[[job]]</text:p>
    <text:p text:style-name="Preformatted_20_Text_20_Interrupt"><text:s text:c="4"/>.var_format = <text:span text:style-name="T260">&quot;</text:span><text:span text:style-name="T258">&apos; + str(</text:span>%s<text:span text:style-name="T283">)</text:span> <text:span text:style-name="T258">+ &apos;</text:span><text:span text:style-name="T260">&quot;</text:span></text:p>
    <text:p text:style-name="P97">#%# joe1234.job.tmpl</text:p>
-   <text:p text:style-name="P285">#! /usr/bin/env python </text:p>
+   <text:p text:style-name="P285">#! /usr/bin/env python3 </text:p>
    <text:p text:style-name="Preformatted_20_Text">NAME = &apos;%{NAME}&apos; </text:p>
    <text:p text:style-name="Preformatted_20_Text">print<text:span text:style-name="T320">(</text:span>&apos;%{MESSAGE}&apos;<text:span text:style-name="T320">)</text:span> </text:p>
    <text:p text:style-name="P156">This setup will expand to</text:p>
-   <text:p text:style-name="P285"><text:soft-page-break/>#! /usr/bin/env python </text:p>
+   <text:p text:style-name="P285"><text:soft-page-break/>#! /usr/bin/env python3 </text:p>
    <text:p text:style-name="P285">NAME = &apos;<text:span text:style-name="T283">Joe User</text:span>&apos; </text:p>
    <text:p text:style-name="P157">print<text:span text:style-name="T320">(</text:span>&apos;<text:span text:style-name="T157">This experiment was generated by </text:span><text:span text:style-name="T166">&apos; + str(</text:span><text:span text:style-name="T157">NAME) </text:span><text:span text:style-name="T166">+ &apos;</text:span>&apos;<text:span text:style-name="T320">)</text:span></text:p>
    <text:h text:style-name="P160" text:outline-level="3"><text:bookmark-start text:name="__RefHeading__2574_1114405012"/>Initializing native script variables<text:bookmark-end text:name="__RefHeading__2574_1114405012"/></text:h>
diff --git a/editexp b/editexp
index 6a4b7fa5c42dc609c85fded3b4541fe574be264f..3b950b69d82f4ed6e570d06bbf848ad080e02c6d 100755
--- a/editexp
+++ b/editexp
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 #
 # Edit experiment config for given update file
 #
diff --git a/getconfig b/getconfig
index 48d96015f8df09a8ab904bbbcf5bdd50b0fa332b..9c8c8b04b0604a43617ba6a97ca7c2529b08fa74 100755
--- a/getconfig
+++ b/getconfig
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 #
 # Reconstruct config from update file, including command line
 #
diff --git a/getexp b/getexp
index 3d76660ce4fc25b781219c857f0f39ec6b5fb6da..aa64b548fd09eee045a7cbe92d7f7af594e4a375 100755
--- a/getexp
+++ b/getexp
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 #
 # Print experiment info in shell-digestible form
 #
diff --git a/mkexp b/mkexp
index dcc732c92c12d8b9f55c431c2d9bdd4bb0d66b56..9f3c00cc92565ffcccbbcb2a94c48ad7a09732c3 100755
--- a/mkexp
+++ b/mkexp
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 #
 # Generate an experiment from templates and the given configuration file.
 #
diff --git a/selconfig b/selconfig
index e4332d5a109e067df60836431d04b6ad589a7e0b..9edff8ee85d098556d48442684b5d85b5e9eaea5 100755
--- a/selconfig
+++ b/selconfig
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 '''\
 Select the given section of a config file
 
diff --git a/set_doc_release b/set_doc_release
index 6c0303b3df2238d4e7153d49444f4833e45c5054..7228a2e490d404f71ac416ee5f006877d434b7ae 100755
--- a/set_doc_release
+++ b/set_doc_release
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 
 import fileinput
 import re
diff --git a/setconfig b/setconfig
index 37832cba93321459a37a799467a5972dfa644ec0..561f5f5a9b681a2d5eacf56be92b50878408fd89 100755
--- a/setconfig
+++ b/setconfig
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 '''\
 Change configuration using command line
 
diff --git a/unmergeconfig b/unmergeconfig
index f83eb73bae6fc9271a4e2ca50256b2c874517ac9..1c502c8c856ed7ac31cb83e607c78affe83dcfa2 100755
--- a/unmergeconfig
+++ b/unmergeconfig
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 '''\
 Create top level variables based on a higher level config