diff --git a/letta_code/CHANGELOG.md b/letta_code/CHANGELOG.md
index 830e674b16..e27af9964d 100644
--- a/letta_code/CHANGELOG.md
+++ b/letta_code/CHANGELOG.md
@@ -1,6 +1,7 @@
  
-## 0.34.23 (2026-10-24)
+## 0.34.21 (2026-10-24)
 - Update to latest version from letta-ai/letta-code (changelog : https://github.com/letta-ai/letta-code/releases)
+- Use 0.34.21: upstream tagged 0.34.22 and 0.34.23 but their image publish failed, so `ghcr.io/letta-ai/letta-code:0.34.23` does not exist
 ## 0.34.19 (2026-10-22)
 
 - Initial release, based on upstream letta-ai/letta-code 0.34.19 (changelog: <https://github.com/letta-ai/letta-code/releases>)
diff --git a/letta_code/Dockerfile b/letta_code/Dockerfile
index 9cb5fac44d..cc2cb2e734 100644
--- a/letta_code/Dockerfile
+++ b/letta_code/Dockerfile
@@ -16,7 +16,7 @@
 
 ARG BUILD_FROM
 ARG BUILD_VERSION
-ARG BUILD_UPSTREAM="0.34.23"
+ARG BUILD_UPSTREAM="0.34.21"
 FROM ghcr.io/letta-ai/letta-code:${BUILD_UPSTREAM}
 
 ##################
diff --git a/letta_code/config.yaml b/letta_code/config.yaml
index 4c0e98dd4c..df0492889e 100644
--- a/letta_code/config.yaml
+++ b/letta_code/config.yaml
@@ -27,4 +27,4 @@ schema:
   token: password?
 slug: letta_code
 url: https://github.com/alexbelgium/hassio-addons/tree/master/letta_code
-version: "0.34.23"
+version: "0.34.21"
diff --git a/letta_code/updater.json b/letta_code/updater.json
index 9da6e96ee8..02f43bacee 100644
--- a/letta_code/updater.json
+++ b/letta_code/updater.json
@@ -6,5 +6,5 @@
   "slug": "letta_code",
   "source": "github",
   "upstream_repo": "letta-ai/letta-code",
-  "upstream_version": "0.34.23"
+  "upstream_version": "0.34.21"
 }