diff --git a/README.md b/README.md
index 5ab7f9a..0a985f4 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ keyring::key_get("springer", keyring = "scythe")
 ## Acknowledgments
 Work on this package was supported by:
 
-- NSF-PLR grant #1546024 to M. B. Jones, S. Baker-Yeboah, J. Dozier, M. Schildhauer, and A. Budden
+- NSF-PLR grant #2042102 to M. B. Jones, A. Budden, M. Schildhauer, and J. Dozier
 
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