diff --git a/DESCRIPTION b/DESCRIPTION
index a7483a1b34..16eb84baf8 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -45,12 +45,12 @@ Imports:
     stringi (>= 1.8.4)
 Suggests:
     broom (>= 1.0.8),
-    car (>= 3.0-13),
+    car (>= 3.1-3),
     dplyr (>= 1.0.5),
     knitr (>= 1.42),
     lme4 (>= 1.1-35.5),
     r2rtf (>= 0.3.2),
-    rmarkdown (>= 2.23),
+    rmarkdown (>= 2.28),
     survival (>= 3.3-1),
     testthat (>= 3.3.0),
     tibble (>= 3.2.1),