diff --git a/README.Rmd b/README.Rmd
index b03176d..2f944ed 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -40,7 +40,6 @@ If you use this library, please cite [this paper](https://doi.org/10.31234/osf.i
 	journal = {PsyArXiv},
 	year = {2024},
 	month = aug,
-	urldate = {2024-08-24},
 	publisher = {OSF},
 	doi = {10.31234/osf.io/zsrg5},
 	url = {https://doi.org/10.31234/osf.io/zsrg5}
diff --git a/README.md b/README.md
index 2fb9ac8..0b6530d 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,6 @@ entry:
     journal = {PsyArXiv},
     year = {2024},
     month = aug,
-    urldate = {2024-08-24},
     publisher = {OSF},
     doi = {10.31234/osf.io/zsrg5},
     url = {https://doi.org/10.31234/osf.io/zsrg5}