diff --git a/boost-1.74.patch b/boost-1.74.patch
new file mode 100644
index 0000000..8acbd60
--- /dev/null
+++ b/boost-1.74.patch
@@ -0,0 +1,32 @@
+From a392907978506408482d0bdd388534455ba8dfba Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Jean-No=C3=ABl=20Grad?= <jgrad@icp.uni-stuttgart.de>
+Date: Wed, 28 Oct 2020 21:22:39 +0100
+Subject: [PATCH] core: Add guard for boost 1.74.0
+
+This <boost/serialization/version.hpp> include guards against an issue
+in boost::serialization from boost 1.74.0 that leads to compiler error
+"explicit specialization of undeclared template struct 'version'" when
+including <boost/serialization/optional.hpp>. More details in tickets:
+https://github.com/boostorg/serialization/issues/210
+https://github.com/boostorg/serialization/issues/217
+
+diff --git a/src/core/grid_based_algorithms/lb_particle_coupling.hpp b/src/core/grid_based_algorithms/lb_particle_coupling.hpp
+index de12cb4..13111ab 100644
+--- a/src/core/grid_based_algorithms/lb_particle_coupling.hpp
++++ b/src/core/grid_based_algorithms/lb_particle_coupling.hpp
+@@ -21,6 +21,15 @@
+
+ #include "ParticleRange.hpp"
+
++/* This <boost/serialization/version.hpp> include guards against an issue
++ * in boost::serialization from boost 1.74.0 that leads to compiler error
++ * "explicit specialization of undeclared template struct 'version'" when
++ * including <boost/serialization/optional.hpp>. More details in tickets:
++ * https://github.com/boostorg/serialization/issues/210
++ * https://github.com/boostorg/serialization/issues/217
++ */
++#include <boost/serialization/version.hpp>
++
+ #include <boost/serialization/optional.hpp>
+
+ #include "ParticleRange.hpp"
diff --git a/espresso-4.1.3.tar.gz b/espresso-4.1.3.tar.gz
deleted file mode 100644
index 01a39a7..0000000
--- a/espresso-4.1.3.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:13dd998f71547c6c979a33d918b7f83e1a0e1c5f2bf2ddeeb0d1e99a3dcd6008
-size 16947336
diff --git a/espresso-4.1.4.tar.gz b/espresso-4.1.4.tar.gz
new file mode 100644
index 0000000..63ca9a4
--- /dev/null
+++ b/espresso-4.1.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c1b68de63755475c5eb3ae8117d8c6d96c8ac36cc0f46dd44417a8e7ebe9242c
+size 16950522
diff --git a/python3-espressomd.changes b/python3-espressomd.changes
index 91765e1..b8eaa41 100644
--- a/python3-espressomd.changes
+++ b/python3-espressomd.changes
@@ -1,3 +1,21 @@
+-------------------------------------------------------------------
+Thu Oct 29 15:42:42 UTC 2020 - Christoph Junghans <junghans@votca.org>
+
+- added boost-1.74.patch to fix build with boost-1.74
+  (gh#espressomd/espresso#3864)
+
+-------------------------------------------------------------------
+Tue Oct 20 19:03:28 UTC 2020 - Christoph Junghans <junghans@votca.org>
+
+- Update to 4.1.4, see 
+  https://github.com/espressomd/espresso/blob/4.1.4/NEWS for 
+  details
+
+-------------------------------------------------------------------
+Tue Sep  8 20:26:00 UTC 2020 - Christoph Junghans <junghans@votca.org>
+
+- fix unversioned Obsoletes: statement
+
 -------------------------------------------------------------------
 Fri Aug 21 16:36:20 UTC 2020 - Christoph Junghans <junghans@votca.org>
 
diff --git a/python3-espressomd.spec b/python3-espressomd.spec
index dceee51..5c328ed 100644
--- a/python3-espressomd.spec
+++ b/python3-espressomd.spec
@@ -35,13 +35,15 @@
 %define pkgname espresso
 %define modname %{pkgname}md
 Name:           python3-%{modname}
-Version:        4.1.3
+Version:        4.1.4
 Release:        0
 Summary:        Parallel simulation software for soft matter research
 License:        GPL-3.0-or-later
 Group:          Productivity/Scientific/Chemistry
 URL:            http://espressomd.org
 Source:         https://github.com/%{modname}/%{pkgname}/releases/download/%{version}/%{pkgname}-%{version}.tar.gz
+# PATCH-FIX-UPSTREAM boost-1.74.patch gh#espressomd/espresso#3864
+Patch0:         boost-1.74.patch
 BuildRequires:  cmake
 BuildRequires:  fftw3-devel
 BuildRequires:  gcc-c++
@@ -63,7 +65,7 @@ BuildRequires:  python3-h5py
 %else
 BuildRequires:  boost-devel
 %endif
-Obsoletes:      libEspresso4
+Obsoletes:      libEspresso4 < 4.1
 Requires:       python3-numpy
 Requires:       python3-h5py
 # make sure rpm pulls in the right dependency
@@ -79,6 +81,7 @@ systems, for example DNA and lipid membranes.
 
 %prep
 %setup -q -n %{pkgname}
+%patch0 -p1
 
 %build
 source %{_libdir}/mpi/gcc/%{mpiver}/bin/mpivars.sh
@@ -103,7 +106,7 @@ export HDF5_USE_SHLIB=yes
 rm -f %{buildroot}%{_libdir}/lib*.so
 
 %check
-# https://github.com/espressomd/espresso/issues/3315
+# gh#espressomd/espresso#3315
 %ifarch i586
 %define testargs ARGS='-E collision_detection'
 %endif