Require collocatordb 1.7.0
For the batched writes, which the indexer only benefits from with the
current version.
Change-Id: I0268b878596936ad2ddad69508770cd2c143c6b1
diff --git a/README.md b/README.md
index 9cb8e5b..6229bd8 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@
### 3. CollocatorDB
-[libcollocatordb](https://korap.ids-mannheim.de/gerrit/plugins/gitiles/ids-kl/collocatordb) >= v1.6.0:
+[libcollocatordb](https://korap.ids-mannheim.de/gerrit/plugins/gitiles/ids-kl/collocatordb) >= v1.7.0:
```bash
git clone "https://korap.ids-mannheim.de/gerrit/ids-kl/collocatordb"