diff --git a/DESCRIPTION b/DESCRIPTION
index decdb2802..3e09b8ae8 100755
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Type: Package
 Package: epiprocess
 Title: Tools for basic signal processing in epidemiology
-Version: 0.12.0
+Version: 0.12.0.9999
 Authors@R: c(
     person("Jacob", "Bien", role = "ctb"),
     person("Logan", "Brooks", , "lcbrooks+github@andrew.cmu.edu", role = c("aut", "cre")),
diff --git a/NEWS.md b/NEWS.md
index ba277bb49..325cb1b26 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,6 +1,13 @@
 # epiprocess
 
-Pre-1.0.0 numbering scheme: 0.x will indicate releases, while 0.x.y will indicate PR's.
+Pre-1.0.0 numbering scheme: 0.x will indicate releases, while 0.x.0.9999 will
+indicate development versions beyond 0.x.
+
+# epiprocess 0.12.0.9999
+
+## Bug fixes
+- `autoplot.epi_archive` now works properly on archives that contain a column
+  named `v` (#674, thanks to @pcollender for the report).
 
 # epiprocess 0.12
 
diff --git a/R/autoplot.R b/R/autoplot.R
index 2644f3ba4..5e7336035 100644
--- a/R/autoplot.R
+++ b/R/autoplot.R
@@ -311,7 +311,7 @@ autoplot.epi_archive <- function(object, ...,
   snapshots <- purrr::map(
     .versions,
     function(v) {
-      dplyr::mutate(epix_as_of(object, v), version = v)
+      dplyr::mutate(epix_as_of(object, v), version = .env$v)
     }
   ) %>%
     purrr::list_rbind() %>%