diff --git a/.gitignore b/.gitignore
index 2a584de340..f7e7e96156 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,5 @@ inst/doc
 docs
 temp
 *.bak
+.Renviron
+.Rprofile
diff --git a/DESCRIPTION b/DESCRIPTION
index 7e9eda048d..497d5882d6 100755
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -15,21 +15,21 @@ License: Apache License 2.0 | file LICENSE
 Depends:
     R (>= 4.0.0)
 Imports:
-    checkmate,
-    dm,
+    checkmate (>= 2.0),
+    dm (>= 1.0),
     dplyr,
-    dunlin (>= 0.1.1),
+    dunlin (> 0.1.1),
     forcats,
-    formatters,
+    formatters (> 0.3.4),
     ggplot2,
     magrittr,
     methods,
     rlang,
-    rlistings,
-    rtables,
+    rlistings (> 0.1.1),
+    rtables (> 0.5.3),
     scda (>= 0.1.5),
     scda.2022 (>= 0.1.3),
-    tern (>= 0.7.10),
+    tern (> 0.7.10),
     tibble,
     yaml
 Suggests:
diff --git a/R/package.R b/R/package.R
index 21314621a7..3a7b3c6f62 100755
--- a/R/package.R
+++ b/R/package.R
@@ -19,5 +19,4 @@
 #' @importFrom stats setNames
 #' @importFrom tibble tribble
 #' @importFrom yaml read_yaml
-#' @importFrom rtables drop_split_levels
 "_PACKAGE"