diff --git a/hashcat.changes b/hashcat.changes
index ed5b278..13a56a2 100644
--- a/hashcat.changes
+++ b/hashcat.changes
@@ -1,9 +1,16 @@
+-------------------------------------------------------------------
+Wed Feb  6 09:21:50 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
+
+- Add fdupes call.
+- License file was shipped twice, ditch one copy.
+
 -------------------------------------------------------------------
 Wed Jan 16 16:05:58 UTC 2019 - Robert Frohl <rfrohl@suse.com>
 
 - hashcat v5.1.0:
   This release is mostly about expanding support for new algorithms and fixing bugs.
   Full changelog: https://hashcat.net/forum/thread-7983.html
+- Remove flags.diff
 
 -------------------------------------------------------------------
 Thu Jun 30 19:49:34 UTC 2016 - jengelh@inai.de
diff --git a/hashcat.spec b/hashcat.spec
index ccc5ef8..6dc1b2f 100644
--- a/hashcat.spec
+++ b/hashcat.spec
@@ -26,6 +26,7 @@ Url:            https://hashcat.net/
 
 #Git-Clone:	git://github.com/hashcat/hashcat
 Source:         https://github.com/hashcat/hashcat/archive/v%version.tar.gz
+BuildRequires:  fdupes
 BuildRequires:  gmp-devel
 BuildRequires:  opencl-headers
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
@@ -44,10 +45,11 @@ make %{?_smp_mflags} COMPTIME=0 our_CFLAGS="%optflags" PREFIX="%_prefix"
 
 %install
 %make_install PREFIX="%_prefix" DOCUMENT_FOLDER="%_docdir/%name"
+%fdupes %buildroot/%_prefix
 
 %files
 %defattr(-,root,root)
-%doc README.md docs/license.txt
+%doc README.md
 %_bindir/hashcat
 %_datadir/%name/
 %_docdir/%name/