diff --git a/proposal/myrmidon/lib/excalibur-extension-1.0.jar b/proposal/myrmidon/lib/excalibur-extension-1.0.jar deleted file mode 100644 index 70ddf3b64..000000000 Binary files a/proposal/myrmidon/lib/excalibur-extension-1.0.jar and /dev/null differ diff --git a/proposal/myrmidon/lib/excalibur-extension-1.0a.jar b/proposal/myrmidon/lib/excalibur-extension-1.0a.jar new file mode 100644 index 000000000..fdb10a169 Binary files /dev/null and b/proposal/myrmidon/lib/excalibur-extension-1.0a.jar differ