diff --git a/0001-Fix-deprecation-warnings.patch b/0001-Fix-deprecation-warnings.patch
new file mode 100644
index 0000000..e740c13
--- /dev/null
+++ b/0001-Fix-deprecation-warnings.patch
@@ -0,0 +1,49 @@
+From b5ea2f8bb6df077b1d1eaa88b062d558a5cdb3e4 Mon Sep 17 00:00:00 2001
+From: Bastien Nocera <hadess@hadess.net>
+Date: Fri, 26 Jul 2019 16:38:42 +0200
+Subject: [PATCH] Fix deprecation warnings
+
+Similarly to https://gitlab.gnome.org/GNOME/gnome-characters/issues/44
+---
+ src/menu.js   | 4 ++--
+ src/window.js | 2 +-
+ 2 files changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/menu.js b/src/menu.js
+index c7510f5..cbd28a4 100644
+--- a/src/menu.js
++++ b/src/menu.js
+@@ -72,7 +72,7 @@ var MenuPopover = GObject.registerClass({
+     _handleSearchChanged(entry) {
+         let text = entry.get_text().replace(/^\s+|\s+$/g, '');
+         let keywords = text == '' ? [] : text.split(/\s+/);
+-        this._keywords = keywords.map(String.toLowerCase);
++        this._keywords = keywords.map(x => x.toLowerCase());
+         this._font_listbox.invalidate_filter();
+         return true;
+     }
+@@ -91,7 +91,7 @@ var MenuPopover = GObject.registerClass({
+         if (row._family == 'None')
+             return true;
+ 
+-        let nameWords = row._family.split(/\s+/).map(String.toLowerCase);
++        let nameWords = row._family.split(/\s+/).map(x => x.toLowerCase());
+         return this._keywords.every(function(keyword, index, array) {
+             return nameWords.some(function(nameWord, index, array) {
+                 return nameWord.indexOf(keyword) >= 0;
+diff --git a/src/window.js b/src/window.js
+index 2066105..5498b58 100644
+--- a/src/window.js
++++ b/src/window.js
+@@ -168,7 +168,7 @@ var MainWindow = GObject.registerClass({
+     _handleSearchChanged(entry) {
+         const text = entry.get_text().replace(/^\s+|\s+$/g, '');
+         let keywords = text == '' ? [] : text.split(/\s+/);
+-        keywords = keywords.map(String.toUpperCase);
++        keywords = keywords.map(x => x.toUpperCase());
+         if (keywords != this._searchKeywords) {
+             this._mainView.cancelSearch();
+             this._searchKeywords = keywords;
+-- 
+2.25.1
+
diff --git a/gnome-characters.spec b/gnome-characters.spec
index 7decf41..65281eb 100644
--- a/gnome-characters.spec
+++ b/gnome-characters.spec
@@ -4,7 +4,7 @@
 
 Name:		gnome-characters
 Version:	3.32.1
-Release:	4%{?dist}
+Release:	5%{?dist}
 Summary:	Character map application for GNOME
 # Files from gtk-js-app are licensed under 3-clause BSD.
 # Other files are GPL 2.0 or later.
@@ -24,6 +24,9 @@ BuildRequires:	meson
 Requires:	gjs >= %{gjs_version}
 Requires:	gnome-desktop3
 
+# https://gitlab.gnome.org/GNOME/gnome-characters/-/merge_requests/36
+Patch0: 0001-Fix-deprecation-warnings.patch
+
 %description
 Characters is a simple utility application to find and insert unusual
 characters.
@@ -64,6 +67,10 @@ desktop-file-validate $RPM_BUILD_ROOT/%{_datadir}/applications/%{appname}.deskto
 
 
 %changelog
+* Wed Feb 26 2020 Bastien Nocera <bnocera@redhat.com> - 3.32.1-5
++ gnome-characters-3.32.1-5
+- Fix use of removed functions
+
 * Tue Jan 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 3.32.1-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild