diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58e6ec3..651027b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@ All notable changes to Buzznode are documented here, following
 
 ## [Unreleased]
 
+## [0.5.5] - 2026-07-31
+
+### Fixed
+
+- Update the shared Launcher desktop base to `0.1.3`, preserving host-managed
+  ownership for the persistent configuration and data mounts used by Apple
+  `container`.
+
 ## [0.5.4] - 2026-07-30
 
 ### Added
diff --git a/Dockerfile b/Dockerfile
index 7a96b98..e2777a7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@
 # Buzznode connects to an existing relay and deliberately contains neither the
 # Buzz Desktop client nor local relay/backing services.
 
-ARG DESKTOP_IMAGE=ghcr.io/pdparchitect/launcher-image-base-desktop:0.1.2
+ARG DESKTOP_IMAGE=ghcr.io/pdparchitect/launcher-image-base-desktop:0.1.3
 
 # Upstream publishes a Linux package only for AMD64. Extract its headless tools
 # there; on ARM64, build the same immutable tag and exact commit from source.
diff --git a/Makefile b/Makefile
index 74ac6ea..bdad243 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,7 @@ TARGETARCH ?= $(word 2,$(subst /, ,$(PLATFORM)))
 BUZZ_VERSION ?= 0.5.2
 BUZZ_DEB_SHA256 ?= 3f022bc31ed579e045946e6acab8483639bcb94e62c1e70f67b97b22f8f879c5
 BUZZ_SOURCE_SHA ?= 3e48f1b2365d326ee1c9582448d86a99b44ecd5d
-DESKTOP_IMAGE ?= ghcr.io/pdparchitect/launcher-image-base-desktop:0.1.2
+DESKTOP_IMAGE ?= ghcr.io/pdparchitect/launcher-image-base-desktop:0.1.3
 CODEX_VERSION ?= 0.145.0
 CLAUDE_CODE_VERSION ?= 2.1.220
 CODEX_ACP_VERSION ?= 1.1.7
diff --git a/VERSION b/VERSION
index 7d85683..d1d899f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.5.4
+0.5.5