diff --git a/dev-libs/json_c/json_c-0.13.recipe b/dev-libs/json_c/json_c-0.13.1.recipe
similarity index 94%
rename from dev-libs/json_c/json_c-0.13.recipe
rename to dev-libs/json_c/json_c-0.13.1.recipe
index 29947b712..287d77591 100644
--- a/dev-libs/json_c/json_c-0.13.recipe
+++ b/dev-libs/json_c/json_c-0.13.1.recipe
@@ -12,13 +12,13 @@ COPYRIGHT="2009-2012, 2016-2017 Eric Haszlakiewicz
 LICENSE="MIT"
 REVISION="1"
 SOURCE_URI="https://s3.amazonaws.com/json-c_releases/releases/json-c-$portVersion.tar.gz"
-CHECKSUM_SHA256="0316780be9ad16c42d7c26b015a784fd5df4b0909fef0aba51cfb13e492ac24d"
+CHECKSUM_SHA256="b87e608d4d3f7bfdd36ef78d56d53c74e66ab278d318b71e6002a369d36f4873"
 SOURCE_DIR="json-c-$portVersion"
 
 ARCHITECTURES="?x86_gcc2 x86 x86_64"
 SECONDARY_ARCHITECTURES="x86"
 
-libVersion="3.0.1"
+libVersion="4.0.0"
 libVersionCompat="$libVersion compat >= ${libVersion%%.*}"
 
 PROVIDES="
diff --git a/dev-libs/json_c/patches/json-c-0.9.patch b/dev-libs/json_c/patches/json-c-0.9.patch
deleted file mode 100644
index 29c6db665..000000000
--- a/dev-libs/json_c/patches/json-c-0.9.patch
+++ /dev/null
@@ -1,21 +0,0 @@
-diff -urN json-c-0.9/Makefile.am json-c-0.9-haiku/Makefile.am
---- json-c-0.9/Makefile.am	2009-07-31 02:57:29.052690944 +0000
-+++ json-c-0.9-haiku/Makefile.am	2010-09-09 04:53:58.000000000 +0000
-@@ -1,4 +1,4 @@
--AM_CFLAGS = -Wall -Wwrite-strings -Werror -std=gnu99 -D_GNU_SOURCE -D_REENTRANT
-+AM_CFLAGS = -Wall -Wwrite-strings -Werror -D_GNU_SOURCE -D_REENTRANT
- 
- EXTRA_DIST = README.html README-WIN32.html config.h.win32 doc
- 
-diff -urN json-c-0.9/Makefile.in json-c-0.9-haiku/Makefile.in
---- json-c-0.9/Makefile.in	2009-07-31 02:58:09.042467328 +0000
-+++ json-c-0.9-haiku/Makefile.in	2010-09-09 04:58:41.989855744 +0000
-@@ -219,7 +219,7 @@
- top_build_prefix = @top_build_prefix@
- top_builddir = @top_builddir@
- top_srcdir = @top_srcdir@
--AM_CFLAGS = -Wall -Wwrite-strings -Werror -std=gnu99 -D_GNU_SOURCE -D_REENTRANT
-+AM_CFLAGS = -Wall -Wwrite-strings -Werror -D_GNU_SOURCE -D_REENTRANT
- EXTRA_DIST = README.html README-WIN32.html config.h.win32 doc
- lib_LTLIBRARIES = libjson.la
- pkgconfigdir = $(libdir)/pkgconfig