diff --git a/.gitignore b/.gitignore
index f189ab6..892aaa9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /libpsl-0.7.0.tar.gz
 /libpsl-0.7.1.tar.gz
 /libpsl-0.12.0.tar.gz
+/libpsl-0.13.0.tar.gz
diff --git a/libpsl.spec b/libpsl.spec
index 6853e64..0d6d8fe 100644
--- a/libpsl.spec
+++ b/libpsl.spec
@@ -1,6 +1,6 @@
 Name:           libpsl
-Version:        0.12.0
-Release:        2%{?dist}
+Version:        0.13.0
+Release:        1%{?dist}
 Summary:        C library for the Publix Suffix List
 License:        MIT
 URL:            https://rockdaboot.github.io/libpsl
@@ -9,6 +9,8 @@ BuildRequires:  gettext-devel
 BuildRequires:  glib2-devel
 BuildRequires:  gtk-doc
 BuildRequires:  libicu-devel
+BuildRequires:  libidn-devel
+BuildRequires:  libunistring-devel
 BuildRequires:  libxslt
 BuildRequires:  publicsuffix-list
 
@@ -62,10 +64,19 @@ rm -frv list
 # But makefile hack is not upstreamed yet so we continue reconfiguring these.
 # [ -f configure ] || autoreconf -fiv
 # autoreconf -fiv
+
+# libicu does allow support for a newer IDN specification than libidn.
+# However, libpsl mostly relies on an internally compiled list, which is
+# generated at buildtime and the support thereof requires either libidn
+# or libicu only at buildtime; the runtime requirement is only for
+# loading external lists, which IIUC neither curl nor wget support.
+# As both already depend on libidn, this helps minimize dependencies.
 %configure --disable-silent-rules \
            --disable-static       \
            --enable-man           \
            --enable-gtk-doc       \
+           --enable-builtin=libicu \
+           --enable-runtime=libidn \
            --with-psl-file=%{_datadir}/publicsuffix/effective_tld_names.dat           \
            --with-psl-testfile=%{_datadir}/publicsuffix/test_psl.txt
 
@@ -85,7 +96,8 @@ make check || cat tests/test-suite.log
 
 %files
 %license COPYING
-%{_libdir}/libpsl.so.*
+%{_libdir}/libpsl.so.5
+%{_libdir}/libpsl.so.5.*
 
 %files devel
 %doc AUTHORS NEWS
@@ -101,6 +113,10 @@ make check || cat tests/test-suite.log
 %{_bindir}/psl
 
 %changelog
+* Thu Mar 31 2016 Yaakov Selkowitz <yselkowi@redhat.com> - 0.13.0-1
+- new version (#1313825)
+- Use libidn at runtime, libicu only at buildtime (#1305701)
+
 * Thu Feb 04 2016 Fedora Release Engineering <releng@fedoraproject.org> - 0.12.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
 
diff --git a/sources b/sources
index 2156f7e..b565792 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-752d4ba864c5c9e34dde4074f2071727  libpsl-0.12.0.tar.gz
+fd99a6d7cc629faba1cb0633eaf73898  libpsl-0.13.0.tar.gz