diff --git a/extra/glib/checksums b/extra/glib/checksums
index 131e8b99..6aa5821a 100644
--- a/extra/glib/checksums
+++ b/extra/glib/checksums
@@ -1,2 +1,2 @@
-ec390bed4e8dd0f89e918f385e8d4cfd7470b1ef7c1ce93ec5c4fc6e3c6a17c4
+79f31365a99cb1cc9db028625635d1438890702acde9e2802eae0acebcf7b5b1
 0d7c67602c4161ea7070fab6c5823afd9bd7f7bc955f652a50d3753b08494e73
diff --git a/extra/glib/sources b/extra/glib/sources
index 58e8cd27..cf5a9ca2 100644
--- a/extra/glib/sources
+++ b/extra/glib/sources
@@ -1,2 +1,2 @@
-https://download.gnome.org/sources/glib/2.66/glib-2.66.2.tar.xz
+https://download.gnome.org/sources/glib/2.66/glib-2.66.3.tar.xz
 https://download.gnome.org/sources/json-glib/1.6/json-glib-1.6.0.tar.xz json-glib
diff --git a/extra/glib/version b/extra/glib/version
index 554ce0d2..4219642d 100644
--- a/extra/glib/version
+++ b/extra/glib/version
@@ -1 +1 @@
-2.66.2 1
+2.66.3 1