diff --git a/cran-comments.md b/cran-comments.md
index c990431b..6d3303f3 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,6 +1,6 @@
 ## Test environments
 * x86_64-pc-linux-gnu (64-bit); Ubuntu 16.04.6 LTS; R Release
-* x86_64-apple-darwin15.6.0 (64-bit); macOS High Sierra 10.13.6; R Release
+* x86_64-apple-darwin15.6.0 (64-bit); macOS Catalina 10.15.3; R Release
 * x86_64-w64-mingw32/x64 (64-bit); Windows Server 2012 R2 x64 (build 9600); R Release
 * Windows Server 2008 R2 SP1, R-devel, 32/64 bit
 * Ubuntu Linux 16.04 LTS, R-release, GCC
@@ -8,6 +8,6 @@
 
 ## R CMD check results
 There were no ERRORs, WARNINGs, or NOTEs.
-   
+
 ## Downstream dependencies
 There are currently no downstream dependencies for this package.