1 files changed, 1 insertions, 1 deletions
diff --git a/debian/postinst b/debian/postinst
index 3f42a4029..018e04f78 100755
--- a/debian/postinst
+++ b/debian/postinst
@@ -4,7 +4,7 @@ set -e
 
 # Change this when some incompatible change is made that requires
 # rebuilding all wikis.
-firstcompat=1.51
+firstcompat=2.1
 
 if [ "$1" = configure ] && \
    dpkg --compare-versions "$2" lt "$firstcompat"; then