diff --git a/.gitignore b/.gitignore
index 9c69942e..27e4ea74 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,4 @@ tests/testthat/Rplots.pdf
 cran-comments.md
 CRAN-RELEASE
 release-prep.R
+CRAN-SUBMISSION
diff --git a/CRAN-SUBMISSION b/CRAN-SUBMISSION
deleted file mode 100644
index 77dc0641..00000000
--- a/CRAN-SUBMISSION
+++ /dev/null
@@ -1,3 +0,0 @@
-Version: 2.10.0
-Date: 2026-06-24 16:20:40 UTC
-SHA: 1d6f5859ddf8792ce01d4a8f259c88d247b4ebb9
diff --git a/DESCRIPTION b/DESCRIPTION
index 4fa6459a..d98e2a39 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Type: Package
 Package: loo
 Title: Efficient Leave-One-Out Cross-Validation and WAIC for Bayesian Models
-Version: 2.10.1
+Version: 2.10.1.9000
 Date: 2026-07-23
 Authors@R: c(
     person("Aki", "Vehtari", email = "Aki.Vehtari@aalto.fi", role = "aut"),
diff --git a/NEWS.md b/NEWS.md
index db52b1dc..f0026850 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,5 @@
+# loo (development version)
+
 # loo 2.10.1
 
 * Revert behavior of internal `psis_smooth_tail()` function that led to several