diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 72760b0..382b83b 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -8,7 +8,7 @@
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	// "features": {},
 	"containerEnv": {
-		"NODE_EXTRA_CA_CERTS": "/usr/local/share/ca-certificates/sophos.crt"
+		"NODE_EXTRA_CA_CERTS": "/usr/local/share/ca-certificates/sophos.crt:/usr/local/share/ca-certificates/mitutoyo.crt"
 	},
 	// Configure tool-specific properties.
 	"customizations": {