diff --git a/.release-pins.yaml b/.release-pins.yaml
index d31851e..5b95a02 100644
--- a/.release-pins.yaml
+++ b/.release-pins.yaml
@@ -1,2 +1,2 @@
-rune_mcp_version: v0.1.0-alpha.3
+rune_mcp_version: v0.1.0-alpha.4
 runed_version: v0.1.0-alpha.5