diff --git a/json-glib-1.6.2.tar.xz b/json-glib-1.6.2.tar.xz
deleted file mode 100644
index e9aa89b..0000000
--- a/json-glib-1.6.2.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a33d66c6d038bda46b910c6c6d59c4e15db014e363dc997a0414c2e07d134f24
-size 170260
diff --git a/json-glib-1.6.4.tar.xz b/json-glib-1.6.4.tar.xz
new file mode 100644
index 0000000..cbe150a
--- /dev/null
+++ b/json-glib-1.6.4.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b1f6a7930808f77a827f3b397a04bb89d4c0c0b2550885d4a5e4c411dfa13f5f
+size 168748
diff --git a/json-glib.changes b/json-glib.changes
index 657769f..12b3715 100644
--- a/json-glib.changes
+++ b/json-glib.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Sat Aug 21 22:41:31 UTC 2021 - Bjørn Lie <bjorn.lie@gmail.com>
+
+- Update to version 1.6.4:
+  + Discover linker flags on all toolchains
+  + Fix memory leak
+  + Use gi-docgen instead of gtk-doc for generating the API
+    reference
+  + Build against newer versions of GLib
+- Pass gtk_doc=disabled to meson, no longer build API
+  documentation.
+
 -------------------------------------------------------------------
 Tue Feb  9 22:49:16 UTC 2021 - Bjørn Lie <bjorn.lie@gmail.com>
 
diff --git a/json-glib.spec b/json-glib.spec
index 215d110..1ddd00f 100644
--- a/json-glib.spec
+++ b/json-glib.spec
@@ -18,7 +18,7 @@
 
 
 Name:           json-glib
-Version:        1.6.2
+Version:        1.6.4
 Release:        0
 Summary:        Library for JavaScript Object Notation format
 License:        LGPL-2.1-or-later
@@ -98,7 +98,7 @@ translation-update-upstream po %{name}-1.0
 %build
 %meson \
 	-Dman=true \
-	-Dgtk_doc=enabled \
+	-Dgtk_doc=disabled \
 	%{nil}
 %meson_build
 
@@ -127,7 +127,6 @@ translation-update-upstream po %{name}-1.0
 %{_bindir}/json-glib-validate
 %{_mandir}/man1/json-glib-format.1%{ext_man}
 %{_mandir}/man1/json-glib-validate.1%{ext_man}
-%{_datadir}/gtk-doc/html/json-glib
 #
 %{_includedir}/%{name}-1.0
 %{_libdir}/*.so