diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index a3ac6182..74d8c974 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -29,7 +29,7 @@ jobs:
       R_KEEP_PKG_SOURCE: yes
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-pandoc@v2
 
diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
index 087f0b05..921325d8 100644
--- a/.github/workflows/pkgdown.yaml
+++ b/.github/workflows/pkgdown.yaml
@@ -20,7 +20,7 @@ jobs:
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-pandoc@v2
 
@@ -39,7 +39,7 @@ jobs:
 
       - name: Deploy to GitHub pages 🚀
         if: github.event_name != 'pull_request'
-        uses: JamesIves/github-pages-deploy-action@v4.4.1
+        uses: JamesIves/github-pages-deploy-action@v4.5.0
         with:
           clean: false
           branch: gh-pages
diff --git a/DESCRIPTION b/DESCRIPTION
index 4fad64b9..8f92e599 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -31,13 +31,12 @@ Imports:
     htmltools,
     rmarchingcubes,
     shape,
-    ellipsis,
     MASS,
     magrittr,
     igraph,
     dplyr,
     vctrs,
-    rlang
+    rlang (>= 1.0.0)
 LazyData: TRUE
 Suggests: 
     testthat,
diff --git a/R/map_new.R b/R/map_new.R
index a9cd03e8..eb62bd47 100644
--- a/R/map_new.R
+++ b/R/map_new.R
@@ -39,7 +39,7 @@ acmap <- function(
 ) {
 
   # Check input
-  ellipsis::check_dots_used()
+  rlang::check_dots_used()
   titer_table <- table_arg_deprecated(titer_table, ...)
 
   # Infer the number of antigens and sera
diff --git a/R/map_optimize.R b/R/map_optimize.R
index aff36dae..8f5052bd 100644
--- a/R/map_optimize.R
+++ b/R/map_optimize.R
@@ -201,7 +201,7 @@ make.acmap <- function(
   ) {
 
   # Check arguments
-  ellipsis::check_dots_used()
+  rlang::check_dots_used()
 
   # Make the chart
   map <- acmap(