diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 53a9c1c..be4f06d 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -5,7 +5,7 @@ on:
       tag:
         description: Reviewed GitHub release tag
         required: true
-        default: v1.5.0
+        default: v1.5.1
         type: string
 permissions:
   contents: read
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0846642..f26d34c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 1.5.1 — 2026-10-29
+
+- Repair word-final Latin-1 æ misdecoded as CP850 µ, such as Kastanjetrµ, during
+  opt-in mojibake repair.
+
 ## 1.5.0 — 2026-10-27
 
 - Rename ParsedMessage.area_code to area, including serialized message fields.
diff --git a/README.md b/README.md
index 7c55014..e71a83c 100644
--- a/README.md
+++ b/README.md
@@ -2,12 +2,12 @@
 
 Repository: [`golded-ftn-python`](https://github.com/golded-dev/golded-ftn-python).
 The distribution remains `golded-ftn`; imports use `golded_ftn`.
-The source is public on GitHub. [Version 1.5.0 is available on PyPI](https://pypi.org/project/golded-ftn/1.5.0/).
+The source is public on GitHub. [Version 1.5.1 is available on PyPI](https://pypi.org/project/golded-ftn/1.5.1/).
 
 Install with Python 3.12 or newer:
 
 ```sh
-python -m pip install golded-ftn==1.5.0
+python -m pip install golded-ftn==1.5.1
 ```
 
 Shared FTN message values, reader/writer protocols and text helpers for Python
@@ -21,7 +21,7 @@ git clone https://github.com/golded-dev/golded-ftn-python.git
 cd golded-ftn-python
 uv sync --locked
 uv build
-python -m pip install dist/golded_ftn-1.5.0-py3-none-any.whl
+python -m pip install dist/golded_ftn-1.5.1-py3-none-any.whl
 ```
 
 ```python
diff --git a/RELEASE-SHA256.txt b/RELEASE-SHA256.txt
index 887b3ee..563ddbc 100644
--- a/RELEASE-SHA256.txt
+++ b/RELEASE-SHA256.txt
@@ -1,2 +1,2 @@
-2119b573a56f7779ab013589b23d004ef4d4f2390a4c0530269a57dd1e6d1b17  dist/golded_ftn-1.5.0-py3-none-any.whl
-77edb452254be66992dd3894175a4dd4c2964403d125ed5eb616bdf648bb1be0  dist/golded_ftn-1.5.0.tar.gz
+a5f8d0cae62acfc377201c10151ca8db0cb8454f531a5d63f5208adb6246ba8a  dist/golded_ftn-1.5.1-py3-none-any.whl
+c0975141e2ef5ddcc3aaca5e79cc16f63f83730e674364c14fce6910fabcbfb5  dist/golded_ftn-1.5.1.tar.gz
diff --git a/pyproject.toml b/pyproject.toml
index 609e7a9..8ee7a54 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "golded-ftn"
-version = "1.5.0"
+version = "1.5.1"
 description = "Shared FTN message contracts, values and text helpers"
 readme = "README.md"
 requires-python = ">=3.12"
diff --git a/src/golded_ftn/mojibake.py b/src/golded_ftn/mojibake.py
index 981e63d..be35f17 100644
--- a/src/golded_ftn/mojibake.py
+++ b/src/golded_ftn/mojibake.py
@@ -28,7 +28,9 @@ def _score(text: str) -> float:
         _LITERAL_DEGREE.sub("", text).count("°") if c == "°" else text.count(c)
         for c in _DAMAGE
     )
-    damage += len(re.findall(r"[A-Za-z]µ(?=[A-Za-z])", text))
+    # µ after a letter is usually æ (Latin-1 read as CP850), including word-final
+    # subjects like Kastanjetrµ. Keep "10 µm" alone: space before µ.
+    damage += len(re.findall(r"[A-Za-z]µ", text))
     return (
         -2.5 * damage
         + 1.5 * sum(text.count(c) for c in _PLAUSIBLE)
diff --git a/tests/test_mojibake_regressions.py b/tests/test_mojibake_regressions.py
index 82fa4d6..54f9896 100644
--- a/tests/test_mojibake_regressions.py
+++ b/tests/test_mojibake_regressions.py
@@ -1,6 +1,13 @@
 from golded_ftn import repair_mojibake
 
 
+def test_repairs_trailing_mu_in_danish_subject() -> None:
+    """HAVEN msg 64 subject: Latin-1 æ read as CP850 µ at end of word."""
+    result = repair_mojibake("Kastanjetrµ")
+    assert result.text == "Kastanjetræ"
+    assert result.changed
+
+
 def test_preserves_spaced_temperature() -> None:
     result = repair_mojibake("20 °C")
     assert result.text == "20 °C"