diff --git a/go/mcap/version.go b/go/mcap/version.go
index cb24bfb1b5..5fe6bb6d87 100644
--- a/go/mcap/version.go
+++ b/go/mcap/version.go
@@ -1,4 +1,4 @@
 package mcap
 
 // Version of the MCAP library.
-var Version = "v1.0.3"
+var Version = "v1.0.4"