diff --git a/gvsbuild/projects/gtk.py b/gvsbuild/projects/gtk.py
index 2037ae245..4851fec0b 100644
--- a/gvsbuild/projects/gtk.py
+++ b/gvsbuild/projects/gtk.py
@@ -90,12 +90,12 @@ def __init__(self):
             self,
             "gtk3",
             prj_dir="gtk3",
-            version="3.24.42",
+            version="3.24.43",
             lastversion_major=3,
             lastversion_even=True,
             repository="https://gitlab.gnome.org/GNOME/gtk",
             archive_url="https://download.gnome.org/sources/gtk%2B/{major}.{minor}/gtk%2B-{version}.tar.xz",
-            hash="50f89f615092d4dd01bbd759719f8bd380e5f149f6fd78a94725e2de112377e2",
+            hash="7e04f0648515034b806b74ae5d774d87cffb1a2a96c468cb5be476d51bf2f3c7",
             dependencies=["atk", "gdk-pixbuf", "pango", "libepoxy"],
             patches=[
                 "gtk_update_icon_cache.patch",