diff --git a/volpack-1.0c7-fix-casts.patch b/volpack-1.0c7-fix-casts.patch
new file mode 100644
index 0000000..618dbe5
--- /dev/null
+++ b/volpack-1.0c7-fix-casts.patch
@@ -0,0 +1,12 @@
+diff -up volpack-1.0c7/examples/rendervolume.c.fix-casts volpack-1.0c7/examples/rendervolume.c
+--- volpack-1.0c7/examples/rendervolume.c.fix-casts	2024-02-03 09:26:03.308261471 -0500
++++ volpack-1.0c7/examples/rendervolume.c	2024-02-03 09:26:09.395311653 -0500
+@@ -207,7 +207,7 @@ char **argv;
+ 	    strcpy(filename, "brainsmall.ppm");
+ 	else
+ 	    sprintf(filename, "brainsmall_%d.ppm", n + 1000);
+-	StorePGM(image, IMAGE_WIDTH, IMAGE_HEIGHT, filename);
++	StorePGM((char *)image, IMAGE_WIDTH, IMAGE_HEIGHT, filename);
+ 
+ 	/* rotate by 5 degrees for next image */
+ 	vpRotate(vpc, VP_Y_AXIS, 5.0);
diff --git a/volpack.spec b/volpack.spec
index 8a36c17..415a590 100644
--- a/volpack.spec
+++ b/volpack.spec
@@ -1,15 +1,19 @@
+# This code is old and ugly.
+%global optflags %{optflags} -std=gnu17
+
 Name:          volpack
 Version:       1.0c7
-Release:       28%{?dist}
+Release:       37%{?dist}
 Summary:       Portable library for fast volume rendering
-License:       BSD
+License:       BSD-3-Clause
 URL:           http://amide.sourceforge.net
 Source0:       http://downloads.sourceforge.net/amide/%{name}/%{name}-%{version}.tgz
 Patch0:        volpack-aarch64.patch
 Patch1:        volpack-c99.patch
+Patch2:        volpack-1.0c7-fix-casts.patch
 
 BuildRequires: make
-BuildRequires:  gcc
+BuildRequires: gcc
 BuildRequires: m4
 
 %description 
@@ -38,8 +42,9 @@ programs using the volpack volume rendering library.
 
 %prep
 %setup -q
-%patch0 -p1 -b .aarch64
-%patch1 -p1 -b .c99
+%patch -P0 -p1 -b .aarch64
+%patch -P1 -p1 -b .c99
+%patch -P2 -p1 -b .fix-casts
 
 
 %build
@@ -82,6 +87,33 @@ popd
 
 
 %changelog
+* Fri Jul 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 1.0c7-37
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild
+
+* Sat Jan 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 1.0c7-36
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild
+
+* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.0c7-35
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
+
+* Tue Feb 25 2025 Tom Callaway <spot@fedoraproject.org> - 1.0c7-34
+- force -std=gnu17 for compilation, this code is old and nasty
+
+* Sun Jan 19 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.0c7-33
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
+
+* Sat Jul 20 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.0c7-32
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
+
+* Sat Feb  3 2024 Tom Callaway <spot@fedoraproject.org> - 1.0c7-31
+- fix casts to resolve FTBFS
+
+* Sat Jan 27 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.0c7-30
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+
+* Sat Jul 22 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.0c7-29
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
+
 * Sat Jan 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.0c7-28
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild