diff --git a/Makefile b/Makefile
index ad27977..210ce99 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 PKG_NAME := jaraco.collections
-URL = https://files.pythonhosted.org/packages/93/f5/80af0251756eb25d608d556ba5032d39df5033aad605c8c4f8a4763d3e4b/jaraco.collections-3.3.0.tar.gz
+URL = https://files.pythonhosted.org/packages/d9/f8/da1c43345aa1ce0a98391497719cfc80d9664727431554a6aab5328481eb/jaraco.collections-3.4.0.tar.gz
 ARCHIVES = 
 
 include ../common/Makefile.common
diff --git a/buildreq_cache b/buildreq_cache
deleted file mode 100644
index 2ea1472..0000000
--- a/buildreq_cache
+++ /dev/null
@@ -1,3 +0,0 @@
-3.3.0
-setuptools
-setuptools_scm-python
\ No newline at end of file
diff --git a/jaraco.collections.spec b/jaraco.collections.spec
index b1a60ec..fc25bcd 100644
--- a/jaraco.collections.spec
+++ b/jaraco.collections.spec
@@ -3,10 +3,10 @@
 # Generated by: autospec.py
 #
 Name     : jaraco.collections
-Version  : 3.3.0
-Release  : 13
-URL      : https://files.pythonhosted.org/packages/93/f5/80af0251756eb25d608d556ba5032d39df5033aad605c8c4f8a4763d3e4b/jaraco.collections-3.3.0.tar.gz
-Source0  : https://files.pythonhosted.org/packages/93/f5/80af0251756eb25d608d556ba5032d39df5033aad605c8c4f8a4763d3e4b/jaraco.collections-3.3.0.tar.gz
+Version  : 3.4.0
+Release  : 14
+URL      : https://files.pythonhosted.org/packages/d9/f8/da1c43345aa1ce0a98391497719cfc80d9664727431554a6aab5328481eb/jaraco.collections-3.4.0.tar.gz
+Source0  : https://files.pythonhosted.org/packages/d9/f8/da1c43345aa1ce0a98391497719cfc80d9664727431554a6aab5328481eb/jaraco.collections-3.4.0.tar.gz
 Summary  : Collection objects similar to those in stdlib by jaraco
 Group    : Development/Tools
 License  : MIT
@@ -21,8 +21,6 @@ BuildRequires : jaraco.text
 BuildRequires : pluggy
 BuildRequires : py-python
 BuildRequires : pytest
-BuildRequires : setuptools
-BuildRequires : setuptools_scm-python
 BuildRequires : tox
 BuildRequires : virtualenv
 
@@ -60,23 +58,23 @@ python3 components for the jaraco.collections package.
 
 
 %prep
-%setup -q -n jaraco.collections-3.3.0
-cd %{_builddir}/jaraco.collections-3.3.0
+%setup -q -n jaraco.collections-3.4.0
+cd %{_builddir}/jaraco.collections-3.4.0
 
 %build
 export http_proxy=http://127.0.0.1:9/
 export https_proxy=http://127.0.0.1:9/
 export no_proxy=localhost,127.0.0.1,0.0.0.0
 export LANG=C.UTF-8
-export SOURCE_DATE_EPOCH=1619115916
+export SOURCE_DATE_EPOCH=1629141759
 export GCC_IGNORE_WERROR=1
 export AR=gcc-ar
 export RANLIB=gcc-ranlib
 export NM=gcc-nm
-export CFLAGS="$CFLAGS -O3 -ffat-lto-objects -flto=4 "
-export FCFLAGS="$FFLAGS -O3 -ffat-lto-objects -flto=4 "
-export FFLAGS="$FFLAGS -O3 -ffat-lto-objects -flto=4 "
-export CXXFLAGS="$CXXFLAGS -O3 -ffat-lto-objects -flto=4 "
+export CFLAGS="$CFLAGS -O3 -ffat-lto-objects -flto=auto "
+export FCFLAGS="$FFLAGS -O3 -ffat-lto-objects -flto=auto "
+export FFLAGS="$FFLAGS -O3 -ffat-lto-objects -flto=auto "
+export CXXFLAGS="$CXXFLAGS -O3 -ffat-lto-objects -flto=auto "
 export MAKEFLAGS=%{?_smp_mflags}
 python3 setup.py build
 
@@ -84,7 +82,7 @@ python3 setup.py build
 export MAKEFLAGS=%{?_smp_mflags}
 rm -rf %{buildroot}
 mkdir -p %{buildroot}/usr/share/package-licenses/jaraco.collections
-cp %{_builddir}/jaraco.collections-3.3.0/LICENSE %{buildroot}/usr/share/package-licenses/jaraco.collections/8e6689d37f82d5617b7f7f7232c94024d41066d1
+cp %{_builddir}/jaraco.collections-3.4.0/LICENSE %{buildroot}/usr/share/package-licenses/jaraco.collections/8e6689d37f82d5617b7f7f7232c94024d41066d1
 python3 -tt setup.py build  install --root=%{buildroot}
 echo ----[ mark ]----
 cat %{buildroot}/usr/lib/python3*/site-packages/*/requires.txt || :
diff --git a/options.conf b/options.conf
index fd21236..d1274c3 100644
--- a/options.conf
+++ b/options.conf
@@ -1,6 +1,6 @@
 [package]
 name = jaraco.collections
-url = https://files.pythonhosted.org/packages/93/f5/80af0251756eb25d608d556ba5032d39df5033aad605c8c4f8a4763d3e4b/jaraco.collections-3.3.0.tar.gz
+url = https://files.pythonhosted.org/packages/d9/f8/da1c43345aa1ce0a98391497719cfc80d9664727431554a6aab5328481eb/jaraco.collections-3.4.0.tar.gz
 archives = 
 giturl = https://github.com/jaraco/jaraco.collections
 domain = 
diff --git a/release b/release
index b1bd38b..8351c19 100644
--- a/release
+++ b/release
@@ -1 +1 @@
-13
+14
diff --git a/upstream b/upstream
index c65a07d..59d1ec9 100644
--- a/upstream
+++ b/upstream
@@ -1 +1 @@
-2cd14f4b86d56252ef697cfe6fbbf6468289525e/jaraco.collections-3.3.0.tar.gz
+07c013ef920372b664b980e372f75e37ebef01dd/jaraco.collections-3.4.0.tar.gz
diff --git a/versions b/versions
index 15a2799..1809198 100644
--- a/versions
+++ b/versions
@@ -1 +1 @@
-3.3.0
+3.4.0