diff --git a/docs/conf.py b/docs/conf.py
index c8b44ea..27dca50 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -71,7 +71,7 @@
 version = "2.6"
 
 # The full version, including alpha/beta/rc tags.
-release = "2.6.0"  # keep in sync with pyproject.toml and telnetlib3/accessories.py !!
+release = "2.6.1"  # keep in sync with pyproject.toml and telnetlib3/accessories.py !!
 
 # The language for content auto-generated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/docs/history.rst b/docs/history.rst
index cb068d8..f816df6 100644
--- a/docs/history.rst
+++ b/docs/history.rst
@@ -1,5 +1,8 @@
 History
 =======
+2.6.1
+  * bugfix: dependency of wcwidth version.
+
 2.6.0
   * new: TLS support (TELNETS).  :func:`~telnetlib3.client.open_connection`
     accepts an ``ssl`` parameter (``True``, or an :class:`ssl.SSLContext`).
diff --git a/pyproject.toml b/pyproject.toml
index 53af060..1db59d7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "telnetlib3"
-version = "2.6.0"
+version = "2.6.1"
 description = " Python Telnet server and client CLI and Protocol library"
 readme = "README.rst"
 license = "ISC"
@@ -44,7 +44,7 @@ classifiers = [
 ]
 requires-python = ">=3.9"
 dependencies = [
-    "wcwidth>=0.2.13",
+    "wcwidth>=0.6.0",
 ]
 
 [project.optional-dependencies]
diff --git a/telnetlib3/accessories.py b/telnetlib3/accessories.py
index 7e43c44..a73071b 100644
--- a/telnetlib3/accessories.py
+++ b/telnetlib3/accessories.py
@@ -42,7 +42,7 @@
 
 def get_version() -> str:
     """Return the current version of telnetlib3."""
-    return "2.6.0"  # keep in sync with pyproject.toml and docs/conf.py !!
+    return "2.6.1"  # keep in sync with pyproject.toml and docs/conf.py !!
 
 
 def encoding_from_lang(lang: str) -> Optional[str]: