diff --git a/CHANGELOG.md b/CHANGELOG.md
index 89e2ba9..f020c1e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,13 @@ list yields a list of all related PRs for each release.
 
 # [unreleased]
 
+# [v5.3.1] 2023-07-26
+
+## Changed
+
+- Adaptions for ACS CTRL strategy enum to make it compatible to software. Also make it re-usable
+  by putting it in global scope.
+
 # [v5.3.0] 2023-07-26
 
 ## Added
diff --git a/eive_tmtc/__init__.py b/eive_tmtc/__init__.py
index 589d82f..7215fe2 100644
--- a/eive_tmtc/__init__.py
+++ b/eive_tmtc/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "5.3.0"
+__version__ = "5.3.1"
 
 import logging
 from pathlib import Path
@@ -6,7 +6,7 @@ from pathlib import Path
 SW_NAME = "eive-tmtc"
 VERSION_MAJOR = 5
 VERSION_MINOR = 3
-VERSION_REVISION = 0
+VERSION_REVISION = 1
 
 EIVE_TMTC_ROOT = Path(__file__).parent
 PACKAGE_ROOT = EIVE_TMTC_ROOT.parent
diff --git a/eive_tmtc/tmtc/acs/acs_ctrl.py b/eive_tmtc/tmtc/acs/acs_ctrl.py
index 9b93f53..a16e5e6 100644
--- a/eive_tmtc/tmtc/acs/acs_ctrl.py
+++ b/eive_tmtc/tmtc/acs/acs_ctrl.py
@@ -68,6 +68,29 @@ class ActionId(enum.IntEnum):
     RESTORE_MEKF_NONFINITE_RECOVERY = 2
 
 
+CTRL_STRAT_DICT = {
+    0: "OFF",
+    1: "NO_MAG_FIELD_FOR_CONTROL",
+    2: "NO_SENSORS_FOR_CONTROL",
+    # OBSW <= v6.1.0
+    10: "LEGACY_SAFE_MEKF",
+    11: "LEGACY_WITHOUT_MEKF",
+    12: "LEGACY_ECLIPSE_DAMPING",
+    13: "LEGACY_ECLIPSE_IDELING",
+    # Added in OBSW v6.2.0
+    14: "SAFE_MEKF",
+    15: "SAFE_GYR",
+    16: "SAFE_SUSMGM",
+    17: "SAFE_ECLIPSE_DAMPING_GYR",
+    18: "SAFE_ECLIPSE_DAMPING_SUSMGM",
+    19: "SAFE_ECLIPSE_IDELING",
+    20: "DETUMBLE_FULL",
+    21: "DETUMBLE_DETERIORATED",
+    30: "PTG_MEKF",
+    31: "PTG_RAW",
+}
+
+
 class OpCodes:
     OFF = ["off"]
     SAFE = ["safe"]
@@ -1058,21 +1081,6 @@ def handle_mekf_data(pw: PrintWrapper, hk_data: bytes):
 
 
 def handle_ctrl_val_data(pw: PrintWrapper, hk_data: bytes):
-    ctrl_strat = {
-        0: "OFF",
-        1: "NO_MAG_FIELD_FOR_CONTROL",
-        2: "NO_SENSORS_FOR_CONTROL",
-        10: "SAFE_MEKF",
-        11: "SAFE_GYR",
-        12: "SAFE_SUSMGM",
-        13: "SAFE_ECLIPSE_DAMPING_GYR",
-        14: "SAFE_ECLIPSE_DAMPING_SUSMGM",
-        15: "SAFE_ECLIPSE_IDELING",
-        20: "DETUMBLE_FULL",
-        21: "DETUMBLE_DETERIORATED",
-        30: "PTG_MEKF",
-        31: "PTG_RAW",
-    }
     pw.dlog("Received CTRL Values Set")
     fmt_strat = "!B"
     fmt_quat = "!dddd"
@@ -1118,8 +1126,8 @@ def handle_ctrl_val_data(pw: PrintWrapper, hk_data: bytes):
         )
     ]
     current_idx += inc_len_vec
-    if ctrl_strat.get(strat) is not None:
-        pw.dlog(f"{'Safe Ctrl Strategy'.ljust(25)}: {ctrl_strat[strat]}")
+    if CTRL_STRAT_DICT.get(strat) is not None:
+        pw.dlog(f"{'Safe Ctrl Strategy'.ljust(25)}: {CTRL_STRAT_DICT[strat]}")
     else:
         pw.dlog(f"{'Safe Ctrl Strategy (key unknown)'.ljust(25)}: {strat}")
     pw.dlog(f"Control Values Target Quaternion: {tgt_quat}")