diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa5e5d3..55669aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,12 @@ list yields a list of all related PRs for each release.
 
 # [unreleased]
 
+# [v5.4.2] 2023-08-15
+
+## Added
+
+- New NONE entry for PL PCDU submode enum.
+
 # [v5.4.1] 2023-08-15
 
 ## Added
diff --git a/eive_tmtc/__init__.py b/eive_tmtc/__init__.py
index 7261b05..ee439a5 100644
--- a/eive_tmtc/__init__.py
+++ b/eive_tmtc/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "5.4.1"
+__version__ = "5.4.2"
 
 import logging
 from pathlib import Path
@@ -6,7 +6,7 @@ from pathlib import Path
 SW_NAME = "eive-tmtc"
 VERSION_MAJOR = 5
 VERSION_MINOR = 4
-VERSION_REVISION = 1
+VERSION_REVISION = 2
 
 EIVE_TMTC_ROOT = Path(__file__).parent
 PACKAGE_ROOT = EIVE_TMTC_ROOT.parent
diff --git a/eive_tmtc/tmtc/power/plpcdu.py b/eive_tmtc/tmtc/power/plpcdu.py
index cfe9dac..62517e3 100644
--- a/eive_tmtc/tmtc/power/plpcdu.py
+++ b/eive_tmtc/tmtc/power/plpcdu.py
@@ -86,6 +86,7 @@ class NormalSubmodesMask(enum.IntEnum):
 
 
 class SubmodeForNormalMode(enum.IntEnum):
+    NONE = 0
     SSR_ON = 1 << NormalSubmodesMask.SOLID_STATE_RELAYS_ADC_ON
     DRO_ON = 1 << NormalSubmodesMask.DRO_ON | (
         1 << NormalSubmodesMask.SOLID_STATE_RELAYS_ADC_ON