diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6fc0ac2..c61973c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ Notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.0.1] - 2023-12-27
+
+### Changed
+
+- Update Makefile to help me remember the correct packaging workflow.
+
 ## [3.0.0] - 2023-12-27
 
 ### Changed
diff --git a/Makefile b/Makefile
index 2c65ac5..39ceee8 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,8 @@ PREFIX=/usr/local
 SHAREDIR=share/$(NAME)
 SYSTEMD_SERVICE_DIR=/lib/systemd/system
 USER=$(NAME)
-VERSION=3.0.0
+VERSION=3.0.1
+RELEASE=1
 
 TESTS=\
   unit_tests/test_peer_stats.py \
@@ -52,6 +53,21 @@ install:
 	BINDIR=$(PREFIX)/$(BINDIR) CONFDIR=$(CONFDIR) GROUP=$(GROUP) NAME=$(NAME) USER=$(USER) python3 \
 		src/jinja2_render.py src/ntpmon.env > $(DESTDIR)/$(CONFDIR)/$(NAME)
 
+release:
+	dch --newversion $(VERSION)-$(RELEASE)
+	dch --release --distribution focal
+	for i in CHANGELOG.md debian/changelog debian/*.rst; do \
+		grep -qw "$(VERSION)" $$i || exit 1; \
+	done
+
+tag:
+	git commit -m'Prepare $(VERSION) release' -a
+	git tag --sign v$(VERSION)
+	git push --tags
+
+dput:
+	dput ntpmon buildroot/ntpmon_$(VERSION)-$(RELEASE)_source.changes
+
 $(BUILDROOT):
 	mkdir $@
 
diff --git a/debian/changelog b/debian/changelog
index e94a305..ab7caf7 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,21 @@
+ntpmon (3.0.1-1) focal; urgency=medium
+
+  * New upstream patch version to add packaging workflow.
+
+ -- Paul Gear <github@libertysys.com.au>  Wed, 27 Dec 2023 22:16:45 +1000
+
+ntpmon (3.0.0+repack1-1) focal; urgency=medium
+
+  * No change repack to add Debian changelog.
+
+ -- Paul Gear <github@libertysys.com.au>  Wed, 27 Dec 2023 22:15:20 +1000
+
+ntpmon (3.0.0-1) focal; urgency=medium
+
+  * New upstream release.
+
+ -- Paul Gear <github@libertysys.com.au>  Wed, 27 Dec 2023 21:23:05 +1000
+
 ntpmon (2.1.0-1) focal; urgency=medium
 
   * New upstream release.
diff --git a/debian/check_ntpmon-man.rst b/debian/check_ntpmon-man.rst
index db1204f..3a40f89 100644
--- a/debian/check_ntpmon-man.rst
+++ b/debian/check_ntpmon-man.rst
@@ -1,4 +1,4 @@
-:Version: 3.0.0
+:Version: 3.0.1
 :Date: 2023-12-27
 :Copyright: 2015-2023 Paul Gear
 :Title: check_ntpmon
diff --git a/debian/control b/debian/control
index 88cdd2e..7b788ca 100644
--- a/debian/control
+++ b/debian/control
@@ -8,7 +8,8 @@ Build-Depends:
  python3-all,
  python3-docutils,
  python3-jinja2,
- python3-psutil
+ python3-psutil,
+ python3-pytest
 Standards-Version: 4.6.0
 Homepage: https://github.com/paulgear/ntpmon
 Rules-Requires-Root: no
diff --git a/debian/ntpmon-man.rst b/debian/ntpmon-man.rst
index 88cfd6e..4bce1e3 100644
--- a/debian/ntpmon-man.rst
+++ b/debian/ntpmon-man.rst
@@ -1,4 +1,4 @@
-:Version: 3.0.0
+:Version: 3.0.1
 :Date: 2023-12-27
 :Copyright: 2015-2023 Paul Gear
 :Title: ntpmon
diff --git a/src/outputs.py b/src/outputs.py
index fcc329a..5efa033 100644
--- a/src/outputs.py
+++ b/src/outputs.py
@@ -8,7 +8,7 @@
 import sys
 
 from io import TextIOWrapper
-from typing import ClassVar
+from typing import ClassVar, Dict
 
 
 import line_protocol
@@ -16,7 +16,7 @@
 
 class Output:
 
-    peertypes: ClassVar[dict[str, str]] = {
+    peertypes: ClassVar[Dict[str, str]] = {
         "backup": "peers/count-backup",
         "excess": "peers/count-excess",
         "false": "peers/count-false",
@@ -27,7 +27,7 @@ class Output:
         "sync": "peers/count-sync",
     }
 
-    peerstatstypes: ClassVar[dict[str, str]] = {
+    peerstatstypes: ClassVar[Dict[str, str]] = {
         "authenticated": "authenticated/bool",
         "authentication_enabled": "authentication-enabled/bool",
         "authentication_fail": "authentication-fail/bool",
@@ -58,7 +58,7 @@ class Output:
         "synchronized": "synchronized/bool",
     }
 
-    summarytypes: ClassVar[dict[str, str]] = {
+    summarytypes: ClassVar[Dict[str, str]] = {
         "frequency": "frequency/frequency_offset",
         "offset": "offset/time_offset",
         "reach": "reachability/percent",
@@ -119,7 +119,7 @@ def __init__(self, args: argparse.Namespace) -> None:
         "type",
     ]
 
-    peerstatstypes: ClassVar[dict[str, str]] = {
+    peerstatstypes: ClassVar[Dict[str, str]] = {
         "authenticated": ("i", None, "Whether the peer is authenticated"),
         "authentication_enabled": ("i", None, "Whether the peer has authentication enabled"),
         "authentication_fail": ("i", None, "Whether the peer has failed authentication"),
@@ -150,7 +150,7 @@ def __init__(self, args: argparse.Namespace) -> None:
         "synchronized": ("i", None, "Whether the peer reports as synchronized"),
     }
 
-    summarystatstypes: ClassVar[dict[str, tuple[str, str, str]]] = {
+    summarystatstypes: ClassVar[Dict[str, tuple[str, str, str]]] = {
         "frequency": (None, "_hertz", "Frequency error of the local clock"),
         "offset": (None, "_seconds", "Mean clock offset of peers"),
         "reach": ("%", "_ratio", "Peer reachability over the last 8 polls"),