diff --git a/src/compile/common.rs b/src/compile/common.rs
index 0902a89b..d50e31a2 100644
--- a/src/compile/common.rs
+++ b/src/compile/common.rs
@@ -1497,7 +1497,7 @@ pub fn generate_header_comment(input_path: &std::path::Path) -> String {
 /// Docker image and version for the MCP Gateway (gh-aw-mcpg).
 /// Update this when upgrading to a new MCPG release.
 /// See: <https://github.com/github/gh-aw-mcpg/releases>
-pub const MCPG_VERSION: &str = "0.4.1";
+pub const MCPG_VERSION: &str = "0.4.5";
 
 /// Docker image for the MCPG container.
 pub const MCPG_IMAGE: &str = "ghcr.io/github/gh-aw-mcpg";