--- /dev/null
+#!/bin/bash
+
+oldver='1\.4\.2'
+oldmonth=June
+oldyear=2013
+
+newmajor=1
+newminor=5
+newpatch=0
+newmonth=August
+newyear=2013
+
+
+newver="${newmajor}.${newminor}.${newpatch}"
+pat='This is wimlib version [^[:space:]]\+ ([^[:space:]]\+ [^[:space:]]\+)'
+sed -i "s/$pat/This is wimlib version $newver ($newmonth $newyear)/" README
+
+sed -i "s/$oldver/$newver/" configure.ac
+
+sed -i -e 's/\(#define WIMLIB_MAJOR_VERSION[[:space:]]\+\)[[:digit:]]\+/\1'$newmajor'/' \
+ -e 's/\(#define WIMLIB_MINOR_VERSION[[:space:]]\+\)[[:digit:]]\+/\1'$newminor'/' \
+ -e 's/\(#define WIMLIB_PATCH_VERSION[[:space:]]\+\)[[:digit:]]\+/\1'$newpatch'/' \
+ -e 's/\(the library interface of wimlib \)'$oldver'/\1'$newver'/' \
+ include/wimlib.h
+
+sed -i -e "1s/$oldmonth $oldyear/$newmonth $newyear/" doc/*.1.in
+
+sed -i "s/pkgver=$oldver/pkgver=$newver/" archlinux/PKGBUILD
+
+sed -i "1i\\
+wimlib ($newver-1) unstable; urgency=low\\
+\\
+ * Update to v$newver\\
+\\
+ -- Eric Biggers <ebiggers3@gmail.com> $(date -R)\\
+" debian/changelog
+
+sed -i 's/\(Version:[[:space:]]*\)[^[:space:]]\+/\1'"$newver"'/' \
+ rpm/*.spec