diff --git a/internal/rosa/gtk.go b/internal/rosa/gtk.go
index e1d2e75..dddb227 100644
--- a/internal/rosa/gtk.go
+++ b/internal/rosa/gtk.go
@@ -9,8 +9,8 @@ import (
 
 func (t Toolchain) newGLib() (pkg.Artifact, string) {
 	const (
-		version  = "2.87.5"
-		checksum = "L5jurSfyCTlcSTfx-1RBHbNZPL0HnNQakmFXidgAV1JFu0lbytowCCBAALTp-WGc"
+		version  = "2.88.0"
+		checksum = "bCLkAmp1o_Po4cXDbC06AyjLyxkBxyNJnflwBpSdf4W8K6dc9xKj6Pm3JYbHPdDf"
 	)
 	return t.NewPackage("glib", version, pkg.NewHTTPGet(
 		nil, "https://download.gnome.org/sources/glib/"+