diff --git a/srcpkgs/json-c++/patches/pkg-config.patch b/srcpkgs/json-c++/patches/pkg-config.patch
deleted file mode 100644
index 2ffe853e9a6..00000000000
--- a/srcpkgs/json-c++/patches/pkg-config.patch
+++ /dev/null
@@ -1,59 +0,0 @@
-From c7d18c16259048878ab566c30aea2078a94b58fe Mon Sep 17 00:00:00 2001
-From: Palmer Dabbelt <palmer@dabbelt.com>
-Date: Thu, 8 Aug 2019 14:36:27 -0700
-Subject: [PATCH] cmake: Generate and install a pkg-config file.
-
-The meson builds install a pkg-config file, but the cmake builds don't.
-This adds a pkg-config file to the cmake builds that is functionally
-equivalent to the one generated from meson.
----
- CMakeLists.txt         | 12 +++++++++++-
- cmake/pkg-config.pc.in |  4 ++++
- 2 files changed, 15 insertions(+), 1 deletion(-)
- create mode 100644 cmake/pkg-config.pc.in
-
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index f7ba4fa38..372a7a03a 100644
---- CMakeLists.txt
-+++ CMakeLists.txt
-@@ -4,7 +4,7 @@ cmake_minimum_required(VERSION 3.1)
- ## PROJECT
- ## name and version
- ##
--project(nlohmann_json VERSION 3.8.0 LANGUAGES CXX)
-+project(nlohmann_json VERSION 3.8.0 DESCRIPTION "JSON for Modern C++" LANGUAGES CXX)
- 
- ##
- ## INCLUDE
-@@ -79,6 +79,12 @@ if (MSVC)
-     )
- endif()
- 
-+# Install a pkg-config file, so other tools can find this.
-+CONFIGURE_FILE(
-+  "${CMAKE_CURRENT_SOURCE_DIR}/cmake/pkg-config.pc.in"
-+  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
-+)
-+
- ##
- ## TESTS
- ## create and configure the unit test target
-@@ -139,4 +145,8 @@ endif()
-         NAMESPACE ${PROJECT_NAME}::
-         DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
-     )
-+    install(
-+        FILES "${CMAKE_BINARY_DIR}/${PROJECT_NAME}.pc"
-+        DESTINATION lib/pkgconfig
-+    )
- endif()
-diff --git a/cmake/pkg-config.pc.in b/cmake/pkg-config.pc.in
-new file mode 100644
-index 000000000..680f10c26
---- /dev/null
-+++ cmake/pkg-config.pc.in
-@@ -0,0 +1,4 @@
-+Name: ${PROJECT_NAME}
-+Description: ${PROJECT_DESCRIPTION}
-+Version: ${PROJECT_VERSION}
-+Cflags: -I${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}
diff --git a/srcpkgs/json-c++/template b/srcpkgs/json-c++/template
index 168d7f176fc..8915ccfe358 100644
--- a/srcpkgs/json-c++/template
+++ b/srcpkgs/json-c++/template
@@ -1,7 +1,7 @@
 # Template file for 'json-c++'
 pkgname=json-c++
-version=3.8.0
-revision=2
+version=3.9.0
+revision=1
 wrksrc="json-${version}"
 build_style=cmake
 short_desc="JSON for modern C++"
@@ -9,7 +9,7 @@ maintainer="Jürgen Buchmüller <pullmoll@t-online.de>"
 license="MIT"
 homepage="https://github.com/nlohmann/json"
 distfiles="https://github.com/nlohmann/json/archive/v${version}.tar.gz"
-checksum=7d0edf65f2ac7390af5e5a0b323b31202a6c11d744a74b588dc30f5a8c9865ba
+checksum=9943db11eeaa5b23e58a88fbc26c453faccef7b546e55063ad00e7caaaf76d0b
 
 if [ -z "$XBPS_CHECK_PKGS" ]; then
 	configure_args+=" -DBUILD_TESTING=OFF"