diff --git a/CRAN-SUBMISSION b/CRAN-SUBMISSION
index 5b5a210..993500b 100644
--- a/CRAN-SUBMISSION
+++ b/CRAN-SUBMISSION
@@ -1,3 +1,3 @@
-Version: 2.3.1
-Date: 2023-03-30 00:39:20 UTC
-SHA: 3cb85a792a2f0954f09249da083354de1df0d923
+Version: 2.4.0
+Date: 2024-01-22 17:11:17 UTC
+SHA: 77fe5082f8cf826cfb42380885ea05b0d14a03e1
diff --git a/DESCRIPTION b/DESCRIPTION
index 84163f9..09eb0a2 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: rstantools
 Type: Package
 Title: Tools for Developing R Packages Interfacing with 'Stan'
-Version: 2.4.0
+Version: 2.4.0.9000
 Date: 2024-01-22
 Authors@R:
     c(person(given = "Jonah",
diff --git a/NEWS.md b/NEWS.md
index 2c75470..14be5a6 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,7 @@
+# rstantools 2.4.0.9000
+
+Items for next release go here
+
 # rstantools 2.4.0
 
 * Update to match CRAN's patched version by @jgabry in #114