diff --git a/DESCRIPTION b/DESCRIPTION
index 04f1bbb..5bc069b 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: secretbase
 Type: Package
 Title: Cryptographic Hash, Extendable-Output and Base64 Functions
-Version: 1.0.2
+Version: 1.0.2.9000
 Description: Fast and memory-efficient streaming hash functions and base64
     encoding / decoding. Hashes strings and raw vectors directly. Stream hashes
     files potentially larger than memory, as well as in-memory objects through
diff --git a/NEWS.md b/NEWS.md
index 84f798a..3404984 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,5 @@
+# secretbase 1.0.2.9000 (development)
+
 # secretbase 1.0.2
 
 * Improves hash performance in most situations, especially for large files, by optimizing buffer sizes.