diff --git a/tests/r/r3.6-rspm/runtime.txt b/tests/r/r3.6-rspm/runtime.txt
index cc18726f..009200f3 100644
--- a/tests/r/r3.6-rspm/runtime.txt
+++ b/tests/r/r3.6-rspm/runtime.txt
@@ -1 +1 @@
-r-3.6-2017-11-01
+r-3.6-2018-11-20