diff --git a/Makefile b/Makefile
index 51700af4..5ae4e085 100644
--- a/Makefile
+++ b/Makefile
@@ -211,8 +211,8 @@ update_version:
set -e ;\
COMMIT=`git log --format="%h" -n 1` ;\
DATE=`git log --date="format:%b %e, %Y %H:%m" --format="%cd" -n 1` ;\
- SEARCH='Version: [a-f0-9]\+ ([^(]\+)' ;\
- REPLACE='Version: '$$COMMIT' ('$$DATE')' ;\
+ SEARCH='Version: [a-f0-9]\+ ([^(]\+)' ;\
+ REPLACE='Version: '$$COMMIT' ('$$DATE')' ;\
sed -i "s@$$SEARCH@$$REPLACE@g" index.html ;\
grep $$COMMIT index.html
diff --git a/index.html b/index.html
index 3846ff30..764861e6 100644
--- a/index.html
+++ b/index.html
@@ -221,7 +221,7 @@ In Linux it can be accessed with `cat /dev/ttyS0`
-Version: 53caefc (Jan 22, 2016 23:01)
+Version: b40c8ad2 (Apr 23, 2020 01:04)