diff --git a/Readme.md b/Readme.md
index 10f2f6a..45fbe06 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,7 +1,7 @@
 Boost libraries - trimmed down for Citra
 ========================================
 
-This is a subset of Boost v1.64.0 generated using the bcp tool. To get a list of boost modules guaranteed to exist, check the build script.
+This is a subset of Boost v1.66.0 generated using the bcp tool. To get a list of boost modules guaranteed to exist, check the build script.
 
 Updating this repo (on Windows)
 ===============================