diff --git a/.gitignore b/.gitignore
index 2b6ccbd..c868f0b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /RhpcBLASctl_0.20-17.tar.gz
+/RhpcBLASctl_0.20-137.tar.gz
diff --git a/R-RhpcBLASctl.spec b/R-RhpcBLASctl.spec
index 37274d3..2c1856e 100644
--- a/R-RhpcBLASctl.spec
+++ b/R-RhpcBLASctl.spec
@@ -1,9 +1,9 @@
 %global packname RhpcBLASctl
-%global packver  0.20-17
+%global packver  0.20-137
 %global rlibdir  %{_libdir}/R/library
 
 Name:             R-%{packname}
-Version:          0.20.17
+Version:          0.20.137
 Release:          1%{?dist}
 Summary:          Control the Number of Threads on BLAS
 
@@ -59,5 +59,8 @@ rm -f %{buildroot}%{rlibdir}/R.css
 
 
 %changelog
+* Wed Jun  3 2020 Tom Callaway <spot@fedoraproject.org> - 0.20.137-1
+- update to 0.20-137, rebuild for R 4
+
 * Wed Feb 26 2020 Elliott Sales de Andrade <quantum.analyst@gmail.com> - 0.20.17-1
 - initial package for Fedora
diff --git a/sources b/sources
index 22fafa5..edc13ff 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (RhpcBLASctl_0.20-17.tar.gz) = f4bd77ea71653269a20e88a95595dd834b07ce5cd6f615696d238120eb283a37041c38e22f855db90b0f1ce243483fbf573dc68f4973110dda40688da392c0c5
+SHA512 (RhpcBLASctl_0.20-137.tar.gz) = 5bb6cb3575ec76126043e6bb368443926d2ffc9179587470af491472ae0b1a4c0de706840009b86fd7dbed06bab2797b63d4ae3eb2055db0d86c2afa1105a8ae