diff --git a/I/IntervalFastMath/Versions.toml b/I/IntervalFastMath/Versions.toml
index 714ab65..0c4f56e 100644
--- a/I/IntervalFastMath/Versions.toml
+++ b/I/IntervalFastMath/Versions.toml
@@ -27,3 +27,6 @@ git-tree-sha1 = "d13860f57c30dd86fcb52d90760682e2d930589a"
 
 ["0.4.1"]
 git-tree-sha1 = "6f01594514981b1929e612c12bc5a90a6c555f29"
+
+["0.4.2"]
+git-tree-sha1 = "8496bb4017ca10e54a5fd010ea936ae0cdeaa928"