diff --git a/DESCRIPTION b/DESCRIPTION
index 24c741cc..4e2d1d04 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: redist
-Version: 4.2.0.9999
-Date: 2023-04-24
+Version: 4.2.0
+Date: 2024-01-11
 Title: Simulation Methods for Legislative Redistricting
 Authors@R: c(
     person("Christopher T.", "Kenny", email = "christopherkenny@fas.harvard.edu", role = c("aut", "cre")),
diff --git a/R/redist_ms.R b/R/redist_ms.R
index d7b841db..26247f4b 100644
--- a/R/redist_ms.R
+++ b/R/redist_ms.R
@@ -77,7 +77,7 @@
 #'
 #' McCartan, C., & Imai, K. (2023). Sequential Monte Carlo for Sampling
 #' Balanced and Compact Redistricting Plans. *Annals of Applied Statistics* 17(4).
-#' Available at \url{http://dx.doi.org/10.1214/23-AOAS1763}.
+#' Available at \doi{10.1214/23-AOAS1763}.
 #'
 #' DeFord, D., Duchin, M., and Solomon, J. (2019). Recombination: A family of
 #' Markov chains for redistricting. arXiv preprint arXiv:1911.05725.
diff --git a/R/redist_smc.R b/R/redist_smc.R
index 9336e985..6d2a20e2 100644
--- a/R/redist_smc.R
+++ b/R/redist_smc.R
@@ -111,7 +111,7 @@
 #' @references
 #' McCartan, C., & Imai, K. (2023). Sequential Monte Carlo for Sampling
 #' Balanced and Compact Redistricting Plans. *Annals of Applied Statistics* 17(4).
-#' Available at \url{http://dx.doi.org/10.1214/23-AOAS1763}.
+#' Available at \doi{10.1214/23-AOAS1763}.
 #'
 #' @examples \donttest{
 #' data(fl25)
diff --git a/man/redist_mergesplit.Rd b/man/redist_mergesplit.Rd
index 73c38067..afc728e6 100644
--- a/man/redist_mergesplit.Rd
+++ b/man/redist_mergesplit.Rd
@@ -122,7 +122,7 @@ redistricting plans. arXiv preprint arXiv:1911.01503.
 
 McCartan, C., & Imai, K. (2023). Sequential Monte Carlo for Sampling
 Balanced and Compact Redistricting Plans. \emph{Annals of Applied Statistics} 17(4).
-Available at \url{http://dx.doi.org/10.1214/23-AOAS1763}.
+Available at \doi{10.1214/23-AOAS1763}.
 
 DeFord, D., Duchin, M., and Solomon, J. (2019). Recombination: A family of
 Markov chains for redistricting. arXiv preprint arXiv:1911.05725.
diff --git a/man/redist_mergesplit_parallel.Rd b/man/redist_mergesplit_parallel.Rd
index d117c5b5..6438f213 100644
--- a/man/redist_mergesplit_parallel.Rd
+++ b/man/redist_mergesplit_parallel.Rd
@@ -129,7 +129,7 @@ redistricting plans. arXiv preprint arXiv:1911.01503.
 
 McCartan, C., & Imai, K. (2023). Sequential Monte Carlo for Sampling
 Balanced and Compact Redistricting Plans. \emph{Annals of Applied Statistics} 17(4).
-Available at \url{http://dx.doi.org/10.1214/23-AOAS1763}.
+Available at \doi{10.1214/23-AOAS1763}.
 
 DeFord, D., Duchin, M., and Solomon, J. (2019). Recombination: A family of
 Markov chains for redistricting. arXiv preprint arXiv:1911.05725.
diff --git a/man/redist_smc.Rd b/man/redist_smc.Rd
index 500a3f7a..c37799c3 100644
--- a/man/redist_smc.Rd
+++ b/man/redist_smc.Rd
@@ -174,6 +174,6 @@ redist_smc(fl_map, 1000, ncores = 2)
 \references{
 McCartan, C., & Imai, K. (2023). Sequential Monte Carlo for Sampling
 Balanced and Compact Redistricting Plans. \emph{Annals of Applied Statistics} 17(4).
-Available at \url{http://dx.doi.org/10.1214/23-AOAS1763}.
+Available at \doi{10.1214/23-AOAS1763}.
 }
 \concept{simulate}