diff --git a/CHANGELOG b/CHANGELOG
index aaed3dcf..8d3d50e6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -3,6 +3,7 @@
 * Huge performance improvements
 * Interface improvements
 * Lots of bugfixes
+* Officially drop IDA v6.9 support
 
 2018-11-22: v1.0.1
 * Fix ARM64 detection logic in IDA plugin
diff --git a/README.md b/README.md
index 7d2a05c3..92d33110 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ Check the [tutorial](doc/tutorial.md) out to see the corresponding tasks.
 
 Supported host platforms:
 
-* IDA plugin: all, version **6.9 or later** (BinCAT uses PyQt, not PySide)
+* IDA plugin: all, version **7.0 or later** (BinCAT uses PyQt, not PySide)
 * analyzer (local or remote): Linux, Windows, macOS (maybe)
 
 Supported CPU for analysis (for now):
@@ -38,7 +38,9 @@ Supported CPU for analysis (for now):
 
 ## Installation
 
-**Only IDA v6.9 or later (7 included) are supported**
+**Only IDA v7 or later is supported**
+
+v6.9 may work, but we won't support it.
 
 ### Binary distribution install (recommended)
 
diff --git a/doc/install_manual.md b/doc/install_manual.md
index b7d4e0c6..1dc300c4 100644
--- a/doc/install_manual.md
+++ b/doc/install_manual.md
@@ -11,7 +11,7 @@
 * python2-sphinx for the python documentation generation
 * menhir for the configuration parsing in ocaml
 * the ocamlgraph library
-* IDA >= 6.9 (for the plugin)
+* IDA >= 7.0 (for the plugin)
 
 #### Installing linux packages
 All these dependencies except IDA are usually packaged by linux distributions.