diff --git a/boost-defaults.changes b/boost-defaults.changes
index cca06a1..7f3ccb5 100644
--- a/boost-defaults.changes
+++ b/boost-defaults.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Wed Dec 16 21:47:34 UTC 2020 - Adam Majer <amajer@suse.com>
+
+- Add libboost_json-devel for Boost.JSON
+
+-------------------------------------------------------------------
+Fri Nov 13 17:14:54 UTC 2020 - Adam Majer <adam.majer@suse.de>
+
+- Update for Boost 1.75.0
+
 -------------------------------------------------------------------
 Tue Nov 10 11:15:03 UTC 2020 - Adam Majer <adam.majer@suse.de>
 
diff --git a/boost-defaults.spec b/boost-defaults.spec
index 6e04ac3..724e36d 100644
--- a/boost-defaults.spec
+++ b/boost-defaults.spec
@@ -17,10 +17,9 @@
 
 
 Name:           boost-defaults
-Version:        1.74.0
+Version:        1.75.0
 Release:        0
-%define python3X python38
-%define boost_version 1_74_0
+%define boost_version 1_75_0
 Summary:        Default Boost C++ Libraries
 License:        MIT
 Group:          Development/Libraries/C and C++
@@ -237,7 +236,7 @@ This package installs the default Boost version of the library.
 %package     -n libboost_mpi_python3-devel
 Summary:        Development library for Boost.MPI Python 3.x serialization
 Group:          Development/Libraries/C and C++
-Requires:       libboost_mpi_%{python3X}-py3-%{boost_version}-devel
+Requires:       libboost_mpi_python-py3-%{boost_version}-devel
 
 %description -n libboost_mpi_python3-devel
 This package contains the Boost.MPI development library for Python 3.x
@@ -353,6 +352,16 @@ This package contains development headers for Boost.Thread library.
 
 This package installs the default Boost version of the library.
 
+%package     -n libboost_json-devel
+Summary:        Development headers for Boost.JSON library
+Group:          Development/Libraries/C and C++
+Requires:       libboost_json%{boost_version}-devel
+
+%description -n libboost_json-devel
+This package contains development headers for Boost.JSON library.
+
+This package installs the default Boost version of the library.
+
 %package     -n libboost_wave-devel
 Summary:        Development headers for Boost.Wave library
 Group:          Development/Libraries/C and C++