diff --git a/CITATION.cff b/CITATION.cff
index 8b6e8147..c320d726 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -11,7 +11,7 @@ authors:
 - family-names: "Shang"
   given-names: "Yi"
 title: "SGP: Student Growth Percentiles & Percentile Growth Trajectories"
-version: 2.2-3.0
+version: 2.2-3.1
 doi: 10.5281/zenodo.10037891
-date-released: 2026-5-4
+date-released: 2026-5-29
 url: "https://sgp.io"
diff --git a/DESCRIPTION b/DESCRIPTION
index 7efb160f..caebbd0d 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: SGP
 Type: Package
 Title: Student Growth Percentiles & Percentile Growth Trajectories
-Version: 2.2-3.0
-Date: 2026-5-4
+Version: 2.2-3.1
+Date: 2026-5-29
 Authors@R: c(person(given=c("Damian", "W."), family="Betebenner", email="dbetebenner@nciea.org", role=c("aut", "cre"), comment=c(ORCID = "0000-0003-0476-5599")),
 		person(given=c("Adam", "R."), family="Van Iwaarden", email="avaniwaarden@nciea.org", role="aut"),
 		person(given="Ben", family="Domingue", email="ben.domingue@gmail.com", role="aut"),
diff --git a/R/zzz.R b/R/zzz.R
index a4a3fe09..f493b291 100644
--- a/R/zzz.R
+++ b/R/zzz.R
@@ -41,7 +41,7 @@ function(libname, pkgname) {
 
         # Define a friendly startup message
 		message_text <- paste0(
-		    magenta(bold("\uD83C\uDF89 SGP v", installed.version, sep="")), " - ", toOrdinal::toOrdinalDate("2026-5-4"), "\n",
+		    magenta(bold("\uD83C\uDF89 SGP v", installed.version, sep="")), " - ", toOrdinal::toOrdinalDate("2026-5-29"), "\n",
 			strrep("\u2501", 40), "\n",
     	    bold("\U1F4E6 CRAN: "), cran.version, "\n",
     	    bold("\U1F527 Dev: "), dev.version, "\n",
diff --git a/data/SGPstateData.rda b/data/SGPstateData.rda
index f71f589b..c2056724 100644
Binary files a/data/SGPstateData.rda and b/data/SGPstateData.rda differ
diff --git a/inst/CITATION b/inst/CITATION
index fe0d08ee..6c2c99d7 100644
--- a/inst/CITATION
+++ b/inst/CITATION
@@ -9,12 +9,12 @@ bibentry(
                     person(given = c("Yi"), family = "Shang")
                    ),
     year         = "2026",
-    note         = "R package version 2.2-3.0",
+    note         = "R package version 2.2-3.1",
     url          = "https://sgp.io",
     textVersion  = paste(
                     "Damian W. Betebenner, Adam R. Van Iwaarden, Benjamin Domingue and Yi Shang (2026).",
                     "SGP: Student Growth Percentiles & Percentile Growth Trajectories.",
-                    "(R package version 2.2-3.0)",
+                    "(R package version 2.2-3.1)",
                     "URL: https://sgp.io"
                   )
 )
diff --git a/man/SGP-package.Rd b/man/SGP-package.Rd
index f7f72f5c..1fc2c703 100644
--- a/man/SGP-package.Rd
+++ b/man/SGP-package.Rd
@@ -19,8 +19,8 @@ growth projections to be calculated across assessment transitions by equating th
 \tabular{ll}{
 Package: \tab SGP\cr
 Type: \tab Package\cr
-Version: \tab 2.2-3.0\cr
-Date: \tab 2026-5-4\cr
+Version: \tab 2.2-3.1\cr
+Date: \tab 2026-5-29\cr
 License: \tab GPL-3\cr
 LazyLoad: \tab yes\cr
 }