diff --git a/gr-air-modes.spec b/gr-air-modes.spec
index e5abaac..7e82328 100644
--- a/gr-air-modes.spec
+++ b/gr-air-modes.spec
@@ -8,18 +8,33 @@
 Name:             gr-air-modes
 URL:              http://github.com/bistromath/gr-air-modes
 Version:          0
-Release:          0.78.%{git_suffix}%{?dist}
+Release:          0.79.%{git_suffix}%{?dist}
 License:          GPLv3+
-BuildRequires:    cmake, gcc-c++, python3-devel, python3-numpy, python3-scipy, gnuradio-devel
-BuildRequires:    sqlite-devel, uhd-devel, boost-devel, doxygen, graphviz
-BuildRequires:    swig, python3-zmq, log4cpp-devel, gmp-devel
+BuildRequires:    cmake
+BuildRequires:    gcc-c++
+BuildRequires:    python3-devel
+BuildRequires:    python3-numpy
+BuildRequires:    python3-scipy
+BuildRequires:    gnuradio-devel
+BuildRequires:    sqlite-devel
+BuildRequires:    uhd-devel
+BuildRequires:    boost-devel
+BuildRequires:    doxygen
+BuildRequires:    graphviz
+BuildRequires:    python3-zmq
+BuildRequires:    log4cpp-devel
+BuildRequires:    gmp-devel
 # TODO: fix this, package not available on ppc64
 #BuildRequires:    mpir-devel
-BuildRequires:    orc-devel, python3-pyqtgraph
+BuildRequires:    orc-devel
+BuildRequires:    python3-pyqtgraph
 BuildRequires:    libunwind-devel
+BuildRequires:    pybind11-devel
 # TODO: check whether qwt is needed
 BuildRequires:    qwt5-qt4-devel
-Requires:         python3-numpy, python3-scipy, python3-zmq
+Requires:         python3-numpy
+Requires:         python3-scipy
+Requires:         python3-zmq
 Requires:         qwt5-qt4
 Summary:          SDR receiver for Mode S transponder signals (ADS-B)
 Source0:          https://github.com/bistromath/gr-air-modes/archive/%{git_commit}/%{name}-%{git_suffix}.tar.gz
@@ -86,6 +101,9 @@ popd
 %doc %{_docdir}/%{name}/xml
 
 %changelog
+* Wed Feb 10 2021 Jaroslav Škarvada <jskarvad@redhat.com> - 0-0.79.20200807git9e2515a5
+- Minor spec improvements
+
 * Mon Feb  8 2021 Jaroslav Škarvada <jskarvad@redhat.com> - 0-0.78.20200807git9e2515a5
 - Fixed FTBFS
   Resolves: rhbz#1923390