diff --git a/xrotor.spec b/xrotor.spec
index 4ac778f..f3984c7 100644
--- a/xrotor.spec
+++ b/xrotor.spec
@@ -1,10 +1,11 @@
 Name:           xrotor
 Version:        7.55
-Release:        15%{?dist}
+Release:        31%{?dist}
 Summary:        Design and analysis tools for propellers and windmills
 
 # Plotlib is LGPLv2+, the rest is GPLv2+
-License:        GPLv2+ and LGPLv2+
+# Automatically converted from old format: GPLv2+ and LGPLv2+ - review is highly recommended.
+License:        GPL-2.0-or-later AND LicenseRef-Callaway-LGPLv2+
 URL:            http://web.mit.edu/drela/Public/web/xrotor/
 Source0:        http://web.mit.edu/drela/Public/web/xrotor/Xrotor%{version}.tar.tgz
 # The package does not ship a license file
@@ -13,6 +14,7 @@ Source2:        LICENSE.LGPL
 # Makefile variables and flags
 Patch0:         Xrotor7.55-makefile.patch
 
+BuildRequires: make
 BuildRequires:  gcc-gfortran libX11-devel
 Requires:       xorg-x11-fonts-misc
 
@@ -27,14 +29,13 @@ and many others.
 
 
 %prep
-%setup -q -n Xrotor
-%patch0 -p1
+%autosetup -p1 -n Xrotor
 cp %{SOURCE1} .
 cp %{SOURCE2} .
 
 
 %build
-export FFLAGS="%{optflags}"
+export FFLAGS="-fallow-argument-mismatch %{optflags}"
 export CFLAGS="%{optflags}"
 
 %make_build -C plotlib
@@ -54,6 +55,54 @@ export CFLAGS="%{optflags}"
 
 
 %changelog
+* Fri Jul 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-31
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild
+
+* Sat Jan 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-30
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild
+
+* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-29
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
+
+* Sun Jan 19 2025 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-28
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
+
+* Wed Sep 04 2024 Miroslav Suchý <msuchy@redhat.com> - 7.55-27
+- convert license to SPDX
+
+* Sat Jul 20 2024 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-26
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
+
+* Sat Jan 27 2024 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-25
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+
+* Sat Jul 22 2023 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-24
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
+
+* Sat Jan 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-23
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
+
+* Sat Jul 23 2022 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-22
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
+
+* Sat Jan 22 2022 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild
+
+* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-20
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
+* Thu Jan 28 2021 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-19
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
+* Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-18
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
+* Fri Jan 31 2020 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-17
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
+
+* Sat Jul 27 2019 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-16
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Sun Feb 03 2019 Fedora Release Engineering <releng@fedoraproject.org> - 7.55-15
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild