diff --git a/zzuf-zzat-c99.patch b/zzuf-zzat-c99.patch
new file mode 100644
index 0000000..1f54c3b
--- /dev/null
+++ b/zzuf-zzat-c99.patch
@@ -0,0 +1,22 @@
+Add declaration of _IO_getc, to avoid an implicit function declaration.
+
+Submitted upstream: <https://github.com/samhocevar/zzuf/pull/30>
+
+diff --git a/src/zzat.c b/src/zzat.c
+index 7acfec6dd46c4d3b..08b6e60c3d5fe86a 100644
+--- a/src/zzat.c
++++ b/src/zzat.c
+@@ -50,6 +50,13 @@ typedef int ssize_t;
+ #include <stdio.h>
+ #include <string.h>
+ 
++#if defined HAVE__IO_GETC
++/* This function is no longer declared in glibc header files, but
++   still available for linking (as of glibc 2.36).  It is an alias of
++   getc.  */
++extern int _IO_getc (FILE *);
++#endif
++
+ #include "util/getopt.h"
+ 
+ static int run(char const *sequence, char const *file);
diff --git a/zzuf.spec b/zzuf.spec
index 392fa05..5a0392a 100644
--- a/zzuf.spec
+++ b/zzuf.spec
@@ -1,6 +1,6 @@
 Name:           zzuf
 Version:        0.15
-Release:        14%{?dist}
+Release:        27%{?dist}
 Summary:        Transparent application input fuzzer
 
 License:        WTFPL
@@ -12,6 +12,7 @@ Patch0:         %{name}-0.13-optflags.patch
 # Causes package to produce broken configure results
 Patch1:         %{name}-0.13-Remove-AC_TRY_CFLAGS.patch
 Patch2:		zzuf-0.15-glibc.patch
+Patch3: zzuf-zzat-c99.patch
 
 BuildRequires: make
 BuildRequires:  gcc autoconf automake libtool
@@ -24,9 +25,10 @@ bugs.
 
 %prep
 %setup -q
-%patch0 -p0
-%patch1 -p1
-%patch2 -p0
+%patch -P0 -p0
+%patch -P1 -p1
+%patch -P2 -p0
+%patch -P3 -p1
 touch -r aclocal.m4 configure.*
 
 
@@ -55,6 +57,45 @@ rm $RPM_BUILD_ROOT%{_libdir}/zzuf/libzzuf.la
 
 
 %changelog
+* Fri Jul 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 0.15-27
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild
+
+* Sat Jan 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 0.15-26
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild
+
+* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 0.15-25
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
+
+* Sun Jan 19 2025 Fedora Release Engineering <releng@fedoraproject.org> - 0.15-24
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
+
+* Sat Jul 20 2024 Fedora Release Engineering <releng@fedoraproject.org> - 0.15-23
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
+
+* Sat Jan 27 2024 Fedora Release Engineering <releng@fedoraproject.org> - 0.15-22
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+
+* Sat Jul 22 2023 Fedora Release Engineering <releng@fedoraproject.org> - 0.15-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
+
+* Wed Mar 01 2023 Gwyn Ciesla <gwync@protonmail.com> - 0.15-20
+- migrated to SPDX license
+
+* Sat Jan 21 2023 Fedora Release Engineering <releng@fedoraproject.org> - 0.15-19
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
+
+* Sun Dec 11 2022 Florian Weimer <fweimer@redhat.com> - 0.15-18
+- Port to C99
+
+* Sat Jul 23 2022 Fedora Release Engineering <releng@fedoraproject.org> - 0.15-17
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
+
+* Sat Jan 22 2022 Fedora Release Engineering <releng@fedoraproject.org> - 0.15-16
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild
+
+* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.15-15
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
+
 * Thu Jan 28 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.15-14
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild