diff --git a/srcpkgs/Mustache/patches/0001-Fix-compiling-of-tests-on-gcc8.2.patch b/srcpkgs/Mustache/patches/0001-Fix-compiling-of-tests-on-gcc8.2.patch
deleted file mode 100644
index f446978682e..00000000000
--- a/srcpkgs/Mustache/patches/0001-Fix-compiling-of-tests-on-gcc8.2.patch
+++ /dev/null
@@ -1,33 +0,0 @@
-From 33c8f46a28fb80144cf6d5a01352de0ef8474880 Mon Sep 17 00:00:00 2001
-From: John Zimmermann <johnz@posteo.net>
-Date: Tue, 29 Jan 2019 13:59:16 +0100
-Subject: [PATCH] Fix compiling of tests on gcc8.2
-
-```
-In file included from tests.cpp:32:
-tests.cpp: In function 'void ____C_A_T_C_H____T_E_S_T____114()':
-tests.cpp:1094:48: error: catching polymorphic type 'class std::bad_function_call' by value [-Werror=catch-value=]
-         CHECK_THROWS_AS(tmpl.render(dat), std::bad_function_call);
-                                                ^~~~~~~~~~~~~~~~~
-cc1plus: all warnings being treated as error
-```
----
- tests.cpp | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git tests.cpp tests.cpp
-index a9176b7..276f0b3 100644
---- tests.cpp
-+++ tests.cpp
-@@ -1091,7 +1091,7 @@ TEST_CASE("custom_escape") {
-         mustache::escape_handler esc;
-         tmpl.set_custom_escape(esc);
-         object dat({ {"what", "\"friend\""} });
--        CHECK_THROWS_AS(tmpl.render(dat), std::bad_function_call);
-+        CHECK_THROWS_AS(tmpl.render(dat), std::bad_function_call&);
-     }
- 
- }
--- 
-2.20.1
-
diff --git a/srcpkgs/Mustache/template b/srcpkgs/Mustache/template
index 503ba54d372..ce023d04e80 100644
--- a/srcpkgs/Mustache/template
+++ b/srcpkgs/Mustache/template
@@ -1,13 +1,13 @@
 # Template file for 'Mustache'
 pkgname=Mustache
-version=3.2.1
+version=4.0
 revision=1
 short_desc="Mustache text templates for modern C++"
 maintainer="John <johnz@posteo.net>"
 license="BSL-1.0"
 homepage="https://github.com/kainjow/Mustache"
 distfiles="https://github.com/kainjow/Mustache/archive/v${version}.tar.gz"
-checksum=0d17298a81c08f12ebc446cdee387268a395d34bb724050fe67d5ce8c4e98b7a
+checksum=17129681ee207404409d71bdc649f08d47029e3dea0ef68e5cd47868de1be23c
 
 do_check() {
 	make