diff --git a/.gitignore b/.gitignore
index b1bf1fa..ad8bec0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -91,3 +91,4 @@
 /gobject-introspection-1.64.0.tar.xz
 /gobject-introspection-1.64.1.tar.xz
 /gobject-introspection-1.66.0.tar.xz
+/gobject-introspection-1.66.1.tar.xz
diff --git a/gobject-introspection.spec b/gobject-introspection.spec
index 0461e13..8ad1618 100644
--- a/gobject-introspection.spec
+++ b/gobject-introspection.spec
@@ -3,7 +3,7 @@
 %global __python %{__python3}
 
 Name:           gobject-introspection
-Version:        1.66.0
+Version:        1.66.1
 Release:        1%{?dist}
 Summary:        Introspection system for GObject-based libraries
 
@@ -86,6 +86,9 @@ Libraries and headers for gobject-introspection
 %{_mandir}/man1/g-ir-scanner.1*
 
 %changelog
+* Mon Oct  5 2020 Kalev Lember <klember@redhat.com> - 1.66.1-1
+- Update to 1.66.1
+
 * Sat Sep 12 2020 Kalev Lember <klember@redhat.com> - 1.66.0-1
 - Update to 1.66.0
 
diff --git a/sources b/sources
index a14a0a8..0ddcd0d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (gobject-introspection-1.66.0.tar.xz) = ff69514cc6b1dfbeafb488c1a3c1328cb222d4ab8c644e7f84c62cde8529b6e2dcf21c3a903684a837c5841f6ccf47eb179881eb1cba08cdc0ec7a352fafeee0
+SHA512 (gobject-introspection-1.66.1.tar.xz) = ea1e20cd94ff8af3572f417f35e96648ffc3e94a91d4e4c81adf99bb0f408ac21ecf40990f9dbd5f2e0f4e83360286ca5db88dbc45bd59289596a324acf7df3d