diff --git a/.Rbuildignore b/.Rbuildignore
index 06a4103..b29ca52 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,3 +1,4 @@
+^CRAN-RELEASE$
 ^.*\.Rproj$
 ^\.Rproj\.user$
 ^\.travis\.yml$
diff --git a/DESCRIPTION b/DESCRIPTION
index ab691cb..05a179f 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: errors
 Type: Package
 Title: Uncertainty Propagation for R Vectors
-Version: 0.3.0.9000
+Version: 0.3.1.9000
 Authors@R: c(
     person("Iñaki", "Ucar", email="iucar@fedoraproject.org",
       role=c("aut", "cph", "cre"), comment=c(ORCID="0000-0001-6403-5550")))