diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..c11a11f
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,8 @@
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"
diff --git a/demo/install.sh.in b/demo/install.sh.in
index 535ffa1..54411a8 100755
--- a/demo/install.sh.in
+++ b/demo/install.sh.in
@@ -11,8 +11,10 @@ PGUSER=postgres
 SHP2PGSQL=@SHP2PGSQL@
 DB=tinyows_demo
 
-if [ -d /usr/local/pgsql/share/contrib/postgis-3.3 ]; then
-        PGSHARE=/usr/local/pgsql/share/contrib/postgis-3.3
+if [ -d /usr/local/pgsql/share/contrib/postgis-3.4 ]; then
+        PGSHARE=/usr/local/pgsql/share/contrib/postgis-3.4
+elif [ -d /usr/local/pgsql/share/contrib/postgis-3.3 ]; then
+        PGSHARE=/usr/local/pgsql/share/contrib/postgis-3.3        
 elif [ -d /usr/local/pgsql/share/contrib/postgis-3.2 ]; then
         PGSHARE=/usr/local/pgsql/share/contrib/postgis-3.2
 elif [ -d /usr/local/pgsql/share/contrib/postgis-3.1 ]; then