diff --git a/.tool-versions b/.tool-versions
index ff78fd6a69..491175fbf9 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-uv 0.6.1
+uv 0.6.3
 python 3.13.2 3.12.9 3.11.11 3.10.16 3.9.21 3.8.20 3.7.17
diff --git a/CHANGES b/CHANGES
index fdd7a9d716..125c30fdce 100644
--- a/CHANGES
+++ b/CHANGES
@@ -15,12 +15,22 @@ $ pipx install --suffix=@next 'tmuxp' --pip-args '\--pre' --force
 // Usage: tmuxp@next load yoursession
 ```
 
-## tmuxp 1.55.0 (Yet to be released)
+## tmuxp 1.56.0 (Yet to be released)
 
 <!-- To maintainers and contributors: Please add notes for the forthcoming version below -->
 
 - _Future release notes will be placed here_
 
+## tmuxp 1.55.0 (2025-02-26)
+
+_Maintenance only, no bug fixes or new features_
+
+### Breaking changes
+
+- libtmux: Bump minimum version from 0.45.0 -> 0.46.0 (#969)
+
+  0.46.0+ needs this release of tmuxp to stay up-to-date with test helpers.
+
 ## tmuxp 1.54.0 (2025-02-23)
 
 ### Breaking changes
diff --git a/pyproject.toml b/pyproject.toml
index 05262a6743..c58c454bb3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "tmuxp"
-version = "1.54.0"
+version = "1.55.0"
 description = "Session manager for tmux, which allows users to save and load tmux sessions through simple configuration files."
 requires-python = ">=3.9,<4.0"
 authors = [
@@ -39,7 +39,7 @@ include = [
   { path = "conftest.py", format = "sdist" },
 ]
 dependencies = [
-  "libtmux~=0.45.0",
+  "libtmux~=0.46.0",
   "colorama>=0.3.9",
   "PyYAML>=6.0"
 ]
diff --git a/src/tmuxp/__about__.py b/src/tmuxp/__about__.py
index f348404064..2651224455 100644
--- a/src/tmuxp/__about__.py
+++ b/src/tmuxp/__about__.py
@@ -4,7 +4,7 @@
 
 __title__ = "tmuxp"
 __package_name__ = "tmuxp"
-__version__ = "1.54.0"
+__version__ = "1.55.0"
 __description__ = "tmux session manager"
 __email__ = "tony@git-pull.com"
 __author__ = "Tony Narlock"
diff --git a/uv.lock b/uv.lock
index 91435f25ac..70c55589f8 100644
--- a/uv.lock
+++ b/uv.lock
@@ -381,11 +381,11 @@ wheels = [
 
 [[package]]
 name = "libtmux"
-version = "0.45.0"
+version = "0.46.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/e3/f0/d346cbfad84f6c807642be44a777429ec6bae7685d1255168ac16d1b8e57/libtmux-0.45.0.tar.gz", hash = "sha256:7f13a5fda3eef37f87f6b44692da290032cf3dbabb9e65699dd578f49f70bc8f", size = 327919 }
+sdist = { url = "https://files.pythonhosted.org/packages/f6/97/2c783d2217a954427d24743f9dc1768ec836fe84258405a964577ce75d36/libtmux-0.46.0.tar.gz", hash = "sha256:65202494054ab2f6a72520a9f3ff0da29e3294af0365a96c51bb4a58cb9856ac", size = 334212 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/34/87/a801f87de3caa837861052c9eee69d39b75e9ecaa5dc86a512e762a462e4/libtmux-0.45.0-py3-none-any.whl", hash = "sha256:6c9cde8f00f73817ad05f4f09900d410ea553b82901e7e49a433766c98428bd2", size = 60243 },
+    { url = "https://files.pythonhosted.org/packages/34/69/25802914f4e1520171ebc004292e16c82ea13e3852f764ad2bef2a1f6072/libtmux-0.46.0-py3-none-any.whl", hash = "sha256:27f3908dfff12de4dd534563e73cb77c18aefa3f0faccaba80d65db59beacc61", size = 60262 },
 ]
 
 [[package]]
@@ -1228,7 +1228,7 @@ wheels = [
 
 [[package]]
 name = "tmuxp"
-version = "1.54.0"
+version = "1.55.0"
 source = { editable = "." }
 dependencies = [
     { name = "colorama" },
@@ -1316,7 +1316,7 @@ testing = [
 [package.metadata]
 requires-dist = [
     { name = "colorama", specifier = ">=0.3.9" },
-    { name = "libtmux", specifier = "~=0.45.0" },
+    { name = "libtmux", specifier = "~=0.46.0" },
     { name = "pyyaml", specifier = ">=6.0" },
 ]