diff --git a/bump-version.sh b/bump-version.sh
new file mode 100755
index 0000000..ee0b7ff
--- /dev/null
+++ b/bump-version.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+# Bump the various hard coded scalpel version numbers.
+
+set -e
+
+if [ "$#" != "1" ]
+then
+  echo "usage: $0 VERSION"
+  exit -1
+fi
+
+version="$1"
+
+echo "Updating CHANGLOG.md"
+sed -i -r "s/^(## HEAD)$/\1\n\n## $version/" CHANGELOG.md
+
+bump-cabal() {
+  cabal="$1"
+  echo "Updating $cabal"
+
+  # The version number of the package.
+  sed -i -r "s/^(version:\s+)[0-9.]+$/\1$version/" "$cabal"
+
+  # The version number in the git tag for the current release.
+  sed -i -r "s/^(\s*tag:\s+v)[0-9.]+$/\1$version/" "$cabal"
+
+  # The version of the scalpel-core dependency.
+  sed -i -r "s/^([ ,]+scalpel-core\s*==\s*)[0-9.]+$/\1$version/" "$cabal"
+}
+
+bump-cabal "scalpel/scalpel.cabal"
+bump-cabal "scalpel-core/scalpel-core.cabal"
+
+git diff --color=always | cat -
+echo -en "\nDoes this look OK? [N/y] "
+read ok && [ "$ok" == "y" ]
+
+git commit -a -m "Bump version to $version"