diff --git a/json-c/.footprint b/json-c/.footprint
index 669c426bc..d8c537c39 100644
--- a/json-c/.footprint
+++ b/json-c/.footprint
@@ -9,6 +9,7 @@ drwxr-xr-x	root/root	usr/include/json-c/
 -rw-r--r--	root/root	usr/include/json-c/json_inttypes.h
 -rw-r--r--	root/root	usr/include/json-c/json_object.h
 -rw-r--r--	root/root	usr/include/json-c/json_object_iterator.h
+-rw-r--r--	root/root	usr/include/json-c/json_patch.h
 -rw-r--r--	root/root	usr/include/json-c/json_pointer.h
 -rw-r--r--	root/root	usr/include/json-c/json_tokener.h
 -rw-r--r--	root/root	usr/include/json-c/json_types.h
@@ -24,7 +25,7 @@ drwxr-xr-x	root/root	usr/lib/cmake/json-c/
 -rw-r--r--	root/root	usr/lib/cmake/json-c/json-c-targets.cmake
 -rw-r--r--	root/root	usr/lib/libjson-c.a
 lrwxrwxrwx	root/root	usr/lib/libjson-c.so -> libjson-c.so.5
-lrwxrwxrwx	root/root	usr/lib/libjson-c.so.5 -> libjson-c.so.5.2.0
--rwxr-xr-x	root/root	usr/lib/libjson-c.so.5.2.0
+lrwxrwxrwx	root/root	usr/lib/libjson-c.so.5 -> libjson-c.so.5.3.0
+-rwxr-xr-x	root/root	usr/lib/libjson-c.so.5.3.0
 drwxr-xr-x	root/root	usr/lib/pkgconfig/
 -rw-r--r--	root/root	usr/lib/pkgconfig/json-c.pc
diff --git a/json-c/.signature b/json-c/.signature
index 2d8e7b499..446978404 100644
--- a/json-c/.signature
+++ b/json-c/.signature
@@ -1,5 +1,5 @@
 untrusted comment: verify with /etc/ports/opt.pub
-RWSE3ohX2g5d/bA9Cyb5eyjmJMf9vvVxibKQlZFhHSiwPI6MorieDxZgRN841hOkQFiLESk9ARmSGff8yLcOxAbz23NPW5uZIgY=
-SHA256 (Pkgfile) = 0e947599f067552a9472210f15b2825c2b8b86c451b44d489c71a31cd09c7422
-SHA256 (.footprint) = aee10e47f0950bef8cdded381e56622b5909f59170363cb7afd154a2a2152019
-SHA256 (json-c-0.16.tar.gz) = 8e45ac8f96ec7791eaf3bb7ee50e9c2100bbbc87b8d0f1d030c5ba8a0288d96b
+RWSE3ohX2g5d/Vg8u1Bu3Ot5vtSdXS4eMpcHFY64E8K6Aw4eSwJ0xxCzX7t0cbMqhxs6fzkQOrZxNd8ehM9pXG0IgeSpZxlySgw=
+SHA256 (Pkgfile) = 8441c3690e73dc154d6d222afe759fcd18245185bed77c881e68b8e0c7ca97b9
+SHA256 (.footprint) = 72e975bb2c4b6812c513f89dc9044bfc7f177a7e2c3ca5c4cfc6df51ce9d0a81
+SHA256 (json-c-0.17.tar.gz) = 7550914d58fb63b2c3546f3ccfbe11f1c094147bd31a69dcd23714d7956159e6
diff --git a/json-c/Pkgfile b/json-c/Pkgfile
index b715636d9..7a36eed90 100644
--- a/json-c/Pkgfile
+++ b/json-c/Pkgfile
@@ -1,20 +1,19 @@
 # Description: JSON implementation in C
 # URL: https://github.com/json-c/json-c/wiki
 # Maintainer: Juergen Daubert, jue at crux dot nu
-# Depends on: cmake
 
 name=json-c
-version=0.16
+version=0.17
 release=1
 source=(https://s3.amazonaws.com/json-c_releases/releases/$name-$version.tar.gz)
 
 build() {
-	cmake -S $name-$version -B build \
+	cmake -S $name-$version -B build -G Ninja \
 		-D CMAKE_INSTALL_PREFIX=/usr \
 		-D CMAKE_INSTALL_LIBDIR=/usr/lib \
 		-D CMAKE_BUILD_TYPE=Release \
 		-D CMAKE_C_FLAGS_RELEASE="$CFLAGS" \
 		-D BUILD_TESTING=OFF
-	cmake --build build
+	cmake --build build -j ${JOBS:-1}
 	DESTDIR=$PKG cmake --install build
 }