diff --git a/.gitignore b/.gitignore
index 2750e73..0b5b994 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,3 +37,6 @@ R-2.11.1.tar.gz
 /pcre-8.41.tar.bz2
 /curl-7.56.1.tar.bz2
 /R-3.4.3.tar.gz
+/R-3.4.4.tar.gz
+/pcre-8.42.tar.bz2
+/curl-7.59.0.tar.bz2
diff --git a/R.spec b/R.spec
index 7ee0ec4..a38dd29 100644
--- a/R.spec
+++ b/R.spec
@@ -98,8 +98,8 @@
 %endif
 
 Name: R
-Version: 3.4.3
-Release: 6%{?dist}
+Version: 3.4.4
+Release: 1%{?dist}
 Summary: A language for data analysis and graphics
 URL: http://www.r-project.org
 Source0: ftp://cran.r-project.org/pub/R/src/base/R-3/R-%{version}.tar.gz
@@ -123,8 +123,8 @@ Source106: https://cran.r-project.org/doc/FAQ/R-FAQ.html
 %global zlibv 1.2.11
 %global bzipv 1.0.6
 %global xzv 5.2.3
-%global pcrev 8.41
-%global curlv 7.56.1
+%global pcrev 8.42
+%global curlv 7.59.0
 Source1000: http://zlib.net/zlib-%{zlibv}.tar.gz
 Source1001: http://www.bzip.org/1.0.6/bzip2-%{bzipv}.tar.gz
 Source1002: http://tukaani.org/xz/xz-%{xzv}.tar.bz2
@@ -280,15 +280,15 @@ Provides: R-grDevices = %{version}
 Provides: R-grid = %{version}
 Provides: R-KernSmooth = 2.23.15
 Provides: R-lattice = 0.20.35
-Provides: R-MASS = 7.3.47
+Provides: R-MASS = 7.3.49
 Provides: R-Matrix = 1.2.12
 Obsoletes: R-Matrix < 0.999375-7
 Provides: R-methods = %{version}
-Provides: R-mgcv = 1.8.22
-Provides: R-nlme = 3.1.131
+Provides: R-mgcv = 1.8.23
+Provides: R-nlme = 3.1.131.1
 Provides: R-nnet = 7.3.12
 Provides: R-parallel = %{version}
-Provides: R-rpart = 4.1.11
+Provides: R-rpart = 4.1.13
 Provides: R-spatial = 7.3.11
 Provides: R-splines = %{version}
 Provides: R-stats = %{version}
@@ -1173,6 +1173,10 @@ R CMD javareconf \
 %{_libdir}/libRmath.a
 
 %changelog
+* Wed Mar 28 2018 Tom Callaway <spot@fedoraproject.org> - 3.4.4-1
+- update to 3.4.4
+- update pcre and curl bundles (rhel6 only)
+
 * Mon Feb 12 2018 Tom Callaway <spot@fedoraproject.org> - 3.4.3-6
 - undefine %%__brp_mangle_shebangs (we need +x on files in %%{_libdir}/R/bin/)
 
diff --git a/sources b/sources
index cf0e192..8bc521c 100644
--- a/sources
+++ b/sources
@@ -1,6 +1,6 @@
 SHA512 (zlib-1.2.11.tar.gz) = 73fd3fff4adeccd4894084c15ddac89890cd10ef105dd5e1835e1e9bbb6a49ff229713bd197d203edfa17c2727700fce65a2a235f07568212d820dca88b528ae
 SHA512 (bzip2-1.0.6.tar.gz) = 00ace5438cfa0c577e5f578d8a808613187eff5217c35164ffe044fbafdfec9e98f4192c02a7d67e01e5a5ccced630583ad1003c37697219b0f147343a3fdd12
 SHA512 (xz-5.2.3.tar.bz2) = 313af8a9eb919de1cd048482779c5ef4d8ebfad89e307f01732f77de4363db8f3cf48f4b737e02f233324d5da0ff7ddfe9a195673b84d0e29d4d456c34c78eef
-SHA512 (pcre-8.41.tar.bz2) = cc9cdbeb98c010fe4f093a019bebfb91965dae4c6a48f8e49c38ec8df7d9da7f0d32c12fc58f22c51f1c2f010e72b65bcbf8bbf180060e93edf464fa9a7c3551
-SHA512 (curl-7.56.1.tar.bz2) = f8a602e6890b2791ea9199c80801ffd027980de3733d4ab001ee80b5167f840cc821c6fe7852087c88a471edc9d3f328cf660af3e2c6f7139d6c8de62b0ade68
-SHA512 (R-3.4.3.tar.gz) = d4b89daac5060c6d32b2287192c47fc7e8f71f8c2f70f133799bb279c6e486239cb7f298779a59a124eb4228d728ffdaf6bb138c4fd64653bbce0cdf5b0b3412
+SHA512 (R-3.4.4.tar.gz) = 83f3023097ef150f066dd51a8706333d955ec0bb91b1e92e73aedba3dcf6abcedb1de196a6aaf32283eb72392d5ea4872f37bd77c1e75a2de20d995846497a44
+SHA512 (pcre-8.42.tar.bz2) = b47b923108f6ee0c31409b79d0888314271b482a22590e164d02f21d2112fba22dd0342c24f9ba0f5fcc5b8c65550bad08c476e30a2fc79b34ecf4601ed82f3d
+SHA512 (curl-7.59.0.tar.bz2) = 9b5586f443a3c9fed947debce86861a8dea0fbf59bf8838cfd72a0884f13073630cf9d369b5535a059d122decd738c652705567752517f5cb11148cc16f693fb