diff --git a/.Rbuildignore b/.Rbuildignore
index 3a2bf6c..bd6b4b0 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -6,4 +6,6 @@
 ^CONTRIBUTING\.md$
 ^api-scopus-search.sh$
 ^\.github$
-^/logo$
+^logo$
+^data$
+^results$
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 2b8b3ba..6551700 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,6 @@
 /results
 
 key.txt
-data/
+data-raw
 # Ignore Vim's swap files
 .*.swp
diff --git a/DESCRIPTION b/DESCRIPTION
index 6d51863..d13c67c 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -18,8 +18,9 @@ Imports:
       rcrossref,
       solrium,
       stats
-Remotes: ropensci/bib2df@devel
-Suggests: 
+Remotes: ropensci/bib2df@a8e96e13f5
+Suggests:
+    bib2df,
     covr,
     purrr,
     testthat (>= 3.0.0)
diff --git a/R/write_citation_pairs.R b/R/write_citation_pairs.R
index b2dd2ab..5c07cac 100644
--- a/R/write_citation_pairs.R
+++ b/R/write_citation_pairs.R
@@ -13,6 +13,11 @@
 #' }
 
 write_citation_pairs <- function(citation_list, path) {
+    
+    if (!requireNamespace("bib2df", quietly = TRUE)) {
+        stop("The 'bib2df' package is required for this function but is not installed. Please install it.", call. = FALSE)
+    }
+    
     if (any(!(c("article_id", "dataset_id") %in% names(citation_list)))) {
         stop(
             .call = FALSE,