diff --git a/.gitignore b/.gitignore
index 969eede..3d2d6c7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,3 +23,4 @@
 /mlpack-3.3.2.tar.gz
 /no_exclude_build.patch
 /python_cxxflags.patch
+/mlpack-3.4.1.tar.gz
diff --git a/mlpack.spec b/mlpack.spec
index b427a33..a843e2c 100644
--- a/mlpack.spec
+++ b/mlpack.spec
@@ -1,6 +1,6 @@
 Name:           mlpack
-Version:        3.3.2
-Release:        4%{?dist}
+Version:        3.4.1
+Release:        1%{?dist}
 Summary:        Scalable, fast C++ machine learning library
 
 License:        BSD
@@ -30,7 +30,7 @@ BuildRequires:  cmake >= 2.8.5
 
 BuildRequires:  armadillo-devel >= 8.400.0
 BuildRequires:  ensmallen-devel >= 2.10.0
-BuildRequires:  boost-devel, boost-program-options, boost-math, boost-serialization >= 1.49
+BuildRequires:  boost-devel, cli11-devel, boost-math, boost-serialization >= 1.49
 BuildRequires:  pkg-config
 
 # For generating man pages (CMake configuration takes care of this assuming
@@ -180,12 +180,13 @@ cp LICENSE.txt $RPM_BUILD_ROOT/%{our_docdir}
 
 %files
 %{_libdir}/libmlpack.so.3
-%{_libdir}/libmlpack.so.3.3
+%{_libdir}/libmlpack.so.3.4
 %{our_docdir}/LICENSE.txt
 
 %files bin
 %{_bindir}/mlpack_adaboost
 %{_bindir}/mlpack_approx_kfn
+%{_bindir}/mlpack_bayesian_linear_regression
 %{_bindir}/mlpack_cf
 %{_bindir}/mlpack_dbscan
 %{_bindir}/mlpack_decision_stump
@@ -224,6 +225,7 @@ cp LICENSE.txt $RPM_BUILD_ROOT/%{our_docdir}
 %{_bindir}/mlpack_preprocess_binarize
 %{_bindir}/mlpack_preprocess_describe
 %{_bindir}/mlpack_preprocess_imputer
+%{_bindir}/mlpack_preprocess_one_hot_encode
 %{_bindir}/mlpack_preprocess_scale
 %{_bindir}/mlpack_preprocess_split
 %{_bindir}/mlpack_radical
@@ -233,6 +235,7 @@ cp LICENSE.txt $RPM_BUILD_ROOT/%{our_docdir}
 %{_bindir}/mlpack_sparse_coding
 %{_mandir}/mlpack_adaboost.1*
 %{_mandir}/mlpack_approx_kfn.1*
+%{_mandir}/mlpack_bayesian_linear_regression.1*
 %{_mandir}/mlpack_cf.1*
 %{_mandir}/mlpack_dbscan.1*
 %{_mandir}/mlpack_decision_stump.1*
@@ -271,6 +274,7 @@ cp LICENSE.txt $RPM_BUILD_ROOT/%{our_docdir}
 %{_mandir}/mlpack_preprocess_binarize.1*
 %{_mandir}/mlpack_preprocess_describe.1*
 %{_mandir}/mlpack_preprocess_imputer.1*
+%{_mandir}/mlpack_preprocess_one_hot_encode.1*
 %{_mandir}/mlpack_preprocess_scale.1*
 %{_mandir}/mlpack_preprocess_split.1*
 %{_mandir}/mlpack_radical.1*
@@ -298,6 +302,9 @@ cp LICENSE.txt $RPM_BUILD_ROOT/%{our_docdir}
 %{python3_sitearch}/mlpack-*.egg-info
 
 %changelog
+* Wed Sep 09 2020 Ryan Curtin <ryan@ratml.org> - 3.4.1-1
+- Update to latest stable version.
+
 * Tue Aug 04 2020 Ryan Curtin <ryan@ratml.org> - 3.3.2-4
 - Update for CMake out-of-source build fixes.
 
diff --git a/sources b/sources
index 1d1b1c8..1b95cc3 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
-SHA512 (mlpack-3.3.2.tar.gz) = 0da84f01d70b3d29a1d65e35c8ade06f7c90b2d6f507d84be8fb7eb94da244e4b3e1fde26e8abd93b3ebe8a47d06877754d1420865b763e2009566800b59005c
+SHA512 (mlpack-3.4.1.tar.gz) = 53de83c2ca36829a0ae952357b25bee44bf85d01c2414848fe2c5f09ebe4732bd0a1d3c72de202646345fa66964fbc3247ddeb6a327e87459c036a215fe55fc2
 SHA512 (stb_image.h) = afc420720aa6e210b2434c451e7b09b23655c91a8163a9d09bd8df3cc254b1168a6b0fddf715e0fbc2ce6b40488ceb142338c34d3421f5447c4fb6e39f924272
 SHA512 (stb_image_write.h) = 1951c20aa9adafcdeed4eb35b69a1868dcf3cce0652cbc761ff029f11566213002dc391027bed804bb7c6061bb6bdbde3296c1278b2e9e535406a3c983344312
 SHA512 (python_cxxflags.patch) = 16d6038c3302909600603fc08fc3fcda31d8dba5627f560ebadb41bc9e8cfbd4badfaa5d6c24ada2a0f53d63c13e3de3a9bbd2e2aa2d8ed284e44cba45824250