diff --git a/.gitignore b/.gitignore
index 959d6ac..d45f1f0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ dwarves-1.8.tar.bz2
 /dwarves-1.9.tar.bz2
 /dwarves-1.10.tar.bz2
 /dwarves-1.12.tar.bz2
+/dwarves-1.13.tar.xz
diff --git a/dwarves-1.13-spec-fixes.patch b/dwarves-1.13-spec-fixes.patch
new file mode 100644
index 0000000..106ce81
--- /dev/null
+++ b/dwarves-1.13-spec-fixes.patch
@@ -0,0 +1,118 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index e2c0ee107940..88a364febaf2 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -143,6 +143,8 @@ install(TARGETS dwarves LIBRARY DESTINATION ${LIB_INSTALL_DIR})
+ install(TARGETS dwarves dwarves_emit dwarves_reorganize LIBRARY DESTINATION ${LIB_INSTALL_DIR})
+ install(FILES dwarves.h dwarves_emit.h dwarves_reorganize.h
+ 	      dutil.h gobuffer.h list.h rbtree.h strings.h
++	      btf_encoder.h config.h ctf_encoder.h ctf.h
++	      elfcreator.h elf_symtab.h hash.h libbtf.h libctf.h
+ 	DESTINATION ${CMAKE_INSTALL_PREFIX}/include/dwarves/)
+ install(FILES man-pages/pahole.1 DESTINATION ${CMAKE_INSTALL_PREFIX}/share/man/man1/)
+ install(PROGRAMS ostra/ostra-cg DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)
+diff --git a/rpm/SPECS/dwarves.spec b/rpm/SPECS/dwarves.spec
+index 5d8f60879afa..be2c29f3792c 100644
+--- a/rpm/SPECS/dwarves.spec
++++ b/rpm/SPECS/dwarves.spec
+@@ -5,14 +5,13 @@ Name: dwarves
+ Version: 1.13
+ Release: 1%{?dist}
+ License: GPLv2
+-Summary: Debugging Information Manipulation Tools
+-Group: Development/Tools
++Summary: Debugging Information Manipulation Tools (pahole & friends)
+ URL: http://acmel.wordpress.com
+-Source: http://fedorapeople.org/~acme/dwarves/%{name}-%{version}.tar.bz2
++Source: http://fedorapeople.org/~acme/dwarves/%{name}-%{version}.tar.xz
++BuildRequires: gcc
+ BuildRequires: cmake
+ BuildRequires: zlib-devel
+ BuildRequires: elfutils-devel >= 0.130
+-BuildRoot: %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
+ 
+ %description
+ dwarves is a set of tools that use the debugging information inserted in
+@@ -37,14 +36,12 @@ functions, inlines, decisions made by the compiler about inlining, etc.
+ 
+ %package -n %{libname}%{libver}
+ Summary: Debugging information  processing library
+-Group: Development/Libraries
+ 
+ %description -n %{libname}%{libver}
+ Debugging information processing library.
+ 
+ %package -n %{libname}%{libver}-devel
+ Summary: Debugging information library development files
+-Group: Development/Libraries
+ Requires: %{libname}%{libver} = %{version}-%{release}
+ 
+ %description -n %{libname}%{libver}-devel
+@@ -61,19 +58,12 @@ make VERBOSE=1 %{?_smp_mflags}
+ rm -Rf %{buildroot}
+ make install DESTDIR=%{buildroot}
+ 
+-%post -n %{libname}%{libver} -p /sbin/ldconfig
+-
+-%postun -n %{libname}%{libver} -p /sbin/ldconfig
+-
+-%clean
+-rm -rf %{buildroot}
++%ldconfig_scriptlets -n %{libname}%{libver}
+ 
+ %files
+-%defattr(0644,root,root,0755)
+ %doc README.ctracer
+ %doc README.btf
+ %doc NEWS
+-%defattr(0755,root,root,0755)
+ %{_bindir}/btfdiff
+ %{_bindir}/codiff
+ %{_bindir}/ctracer
+@@ -99,19 +89,26 @@ rm -rf %{buildroot}
+ %attr(0755,root,root) %{_datadir}/dwarves/runtime/python/ostra.py*
+ 
+ %files -n %{libname}%{libver}
+-%defattr(0644,root,root,0755)
+ %{_libdir}/%{libname}.so.*
+ %{_libdir}/%{libname}_emit.so.*
+ %{_libdir}/%{libname}_reorganize.so.*
+ 
+ %files -n %{libname}%{libver}-devel
+-%defattr(0644,root,root,0755)
+ %doc MANIFEST README
++%{_includedir}/dwarves/btf_encoder.h
++%{_includedir}/dwarves/config.h
++%{_includedir}/dwarves/ctf_encoder.h
++%{_includedir}/dwarves/ctf.h
++%{_includedir}/dwarves/dutil.h
+ %{_includedir}/dwarves/dwarves.h
+ %{_includedir}/dwarves/dwarves_emit.h
+ %{_includedir}/dwarves/dwarves_reorganize.h
+-%{_includedir}/dwarves/dutil.h
++%{_includedir}/dwarves/elfcreator.h
++%{_includedir}/dwarves/elf_symtab.h
+ %{_includedir}/dwarves/gobuffer.h
++%{_includedir}/dwarves/hash.h
++%{_includedir}/dwarves/libbtf.h
++%{_includedir}/dwarves/libctf.h
+ %{_includedir}/dwarves/list.h
+ %{_includedir}/dwarves/rbtree.h
+ %{_includedir}/dwarves/strings.h
+@@ -120,6 +117,16 @@ rm -rf %{buildroot}
+ %{_libdir}/%{libname}_reorganize.so
+ 
+ %changelog
++* Tue Apr 23 2019 Arnaldo Carvalho de Melo <acme@redhat.com> - 1.13-1
++- New release: 1.13
++- Infer __packed__ attributes, i.e. __attribute__((__packed__))
++- Support DW_AT_alignment, i.e. __attribute__((__aligned__(N)))
++- Decode BTF type format and pretty print it
++- BTF encoding fixes
++- Use libbpf's BTF deduplication
++- Support unions as arguments to -C/--class
++- New 'pfunct --compile' generates compilable output with type definitions
++
+ * Thu Aug 16 2018 Arnaldo Carvalho de Melo <acme@kernel.org> - 1.12-1
+ - New release:
+ - union member cacheline boundaries for all inner structs
diff --git a/sources b/sources
index b16f692..c837aa7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (dwarves-1.12.tar.bz2) = 20644344e694253b79ede65e489696a319f10eaf424af81882414ae6efeaf34a82132321430d647916b78f97ef504907b3bd32919420f2cd14384910e283ff27
+SHA512 (dwarves-1.13.tar.xz) = 26485b183b4c7b608dd0392f9155dd570a14c86fdeafee232e44ad30f14a1357b408b61b0e8a31ea4bf976ed7fc44e7d5a4a3ccede9713c47265ad52c13dadf0