diff --git a/README.md b/README.md
index f7f9b4901..9ffb824af 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 <div align="center">
 
-![Open AgentCore red pixel wordmark](docs/assets/openagentcore-banner.png)
+![OpenAgentCore — One core. Many agents.](docs/assets/openagentcore-banner.jpeg)
 
 # OpenAgentCore
 
diff --git a/README.zh-CN.md b/README.zh-CN.md
index dc403ca68..54ee16fff 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -1,6 +1,6 @@
 <div align="center">
 
-![Open AgentCore 红色像素字标](docs/assets/openagentcore-banner.png)
+![OpenAgentCore — One core. Many agents.](docs/assets/openagentcore-banner.jpeg)
 
 # OpenAgentCore
 
diff --git a/docs/assets/architecture.png b/docs/assets/architecture.png
index c5442401b..e861b20b6 100644
Binary files a/docs/assets/architecture.png and b/docs/assets/architecture.png differ
diff --git a/docs/assets/openagentcore-banner.jpeg b/docs/assets/openagentcore-banner.jpeg
new file mode 100644
index 000000000..f255e7009
Binary files /dev/null and b/docs/assets/openagentcore-banner.jpeg differ
diff --git a/docs/assets/openagentcore-banner.png b/docs/assets/openagentcore-banner.png
deleted file mode 100644
index fdc4d5860..000000000
Binary files a/docs/assets/openagentcore-banner.png and /dev/null differ
diff --git a/scripts/core-distribution-manifest.py b/scripts/core-distribution-manifest.py
index 54e56552f..e4317efcf 100644
--- a/scripts/core-distribution-manifest.py
+++ b/scripts/core-distribution-manifest.py
@@ -50,7 +50,7 @@
     "contracts/agents-api/environment-executor-credentials.md",
 )
 # Files the bundled docs show, copied as they are, so they work offline.
-BUNDLED_FILES = ("docs/assets/openagentcore-banner.png", "docs/assets/architecture.png")
+BUNDLED_FILES = ("docs/assets/openagentcore-banner.jpeg", "docs/assets/architecture.png")
 REPOSITORY_URL = "https://github.com/MiniMax-AI/parsar-core"
 MARKDOWN_LINK = re.compile(r"(!?)\[((?:[^\[\]]|\[[^\]]*\])*)\]\(([^)\s]+)((?:\s+\"[^\"]*\")?)\)")
 FENCE = re.compile(r" {0,3}(`{3,}|~{3,})")