diff --git a/README.md b/README.md
index 52ecb4c95..a817fab92 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,8 @@ Language for live coding of pattern
 For documentation, mailing list and more info see here:
   https://tidalcycles.org/
 
+<a href='https://ko-fi.com/G2G6LHVU' target='_blank'><img height='36' style='border:0px;height:36px;' src='https://az743702.vo.msecnd.net/cdn/kofi1.png?v=0' border='0' alt='Buy Me a Coffee at ko-fi.com' /></a>
+
 (c) Alex McLean and contributors, 2018
 
 Distributed under the terms of the GNU Public license version 3 (or
diff --git a/stack.yaml b/stack.yaml
index 23e084daf..b8f2a02d2 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -4,5 +4,5 @@ packages:
   - '.'
 
 extra-deps:
-  - hosc-0.16
+  - hosc-0.17
   - microspec-0.2.1.3