diff --git a/NEWS b/NEWS
index 39d217da..4a4640c1 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,5 @@
-1.2.7.dev0
+1.2.7
+ * #98: Support for Borg --keep-secondly prune option.
  * Use Black code formatter and Flake8 code checker as part of running automated tests.
  * Add an end-to-end automated test that actually integrates with Borg.
  * Set up continuous integration for borgmatic automated tests on projects.evoworx.org.
diff --git a/borgmatic/config/schema.yaml b/borgmatic/config/schema.yaml
index 5f39ba25..f3ca6a02 100644
--- a/borgmatic/config/schema.yaml
+++ b/borgmatic/config/schema.yaml
@@ -181,6 +181,10 @@ map:
                 type: scalar
                 desc: Keep all archives within this time interval.
                 example: 3H
+            keep_secondly:
+                type: int
+                desc: Number of secondly archives to keep.
+                example: 60
             keep_minutely:
                 type: int
                 desc: Number of minutely archives to keep.
diff --git a/scripts/find-unsupported-borg-options b/scripts/find-unsupported-borg-options
index dbe26a44..bd5f2db0 100755
--- a/scripts/find-unsupported-borg-options
+++ b/scripts/find-unsupported-borg-options
@@ -36,6 +36,7 @@ for sub_command in prune create check list info; do
             | grep -v '^--help$' \
             | grep -v '^--info$' \
             | grep -v '^--json$' \
+            | grep -v '^--keep-last$' \
             | grep -v '^--list$' \
             | grep -v '^--nobsdflags$' \
             | grep -v '^--pattern$' \
diff --git a/setup.py b/setup.py
index ef7fce34..efb9cb99 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 
 
-VERSION = '1.2.7.dev0'
+VERSION = '1.2.7'
 
 
 setup(