diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ab143d..aa5e5d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,12 @@ list yields a list of all related PRs for each release.
 
 # [unreleased]
 
+# [v5.4.1] 2023-08-15
+
+## Added
+
+- New event TLE_TOO_OLD
+
 ## Changed
 
  - PL Subsystem mode ID is int enum now.
diff --git a/eive_tmtc/__init__.py b/eive_tmtc/__init__.py
index 4d21f71..7261b05 100644
--- a/eive_tmtc/__init__.py
+++ b/eive_tmtc/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "5.4.0"
+__version__ = "5.4.1"
 
 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 = 0
+VERSION_REVISION = 1
 
 EIVE_TMTC_ROOT = Path(__file__).parent
 PACKAGE_ROOT = EIVE_TMTC_ROOT.parent
diff --git a/eive_tmtc/config/events.csv b/eive_tmtc/config/events.csv
index ecdf953..b00c56b 100644
--- a/eive_tmtc/config/events.csv
+++ b/eive_tmtc/config/events.csv
@@ -94,6 +94,7 @@ Event ID (dec); Event ID (hex); Name; Severity; Description; File Path
 11205;0x2bc5;MEKF_AUTOMATIC_RESET;INFO;MEKF performed an automatic reset after detection of nonfinite values.;mission/acs/defs.h
 11206;0x2bc6;MEKF_INVALID_MODE_VIOLATION;HIGH;MEKF was not able to compute a solution during any pointing ACS mode for a prolonged time.;mission/acs/defs.h
 11207;0x2bc7;SAFE_MODE_CONTROLLER_FAILURE;HIGH;The ACS safe mode controller was not able to compute a solution and has failed. P1: Missing information about magnetic field, P2: Missing information about rotational rate;mission/acs/defs.h
+11208;0x2bc8;TLE_TOO_OLD;INFO;The TLE for the SGP4 Propagator has become too old.;mission/acs/defs.h
 11300;0x2c24;SWITCH_CMD_SENT;INFO;Indicates that a FSFW object requested setting a switch P1: 1 if on was requested, 0 for off | P2: Switch Index;mission/power/defs.h
 11301;0x2c25;SWITCH_HAS_CHANGED;INFO;Indicated that a switch state has changed P1: New switch state, 1 for on, 0 for off | P2: Switch Index;mission/power/defs.h
 11302;0x2c26;SWITCHING_Q7S_DENIED;MEDIUM;No description;mission/power/defs.h