diff --git a/app/data/cfg.json b/app/data/cfg.json
index 4c40dac..2a62269 100644
--- a/app/data/cfg.json
+++ b/app/data/cfg.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.7.18",
+  "version": "1.7.19",
   "ext_port": 1111,
   "profiles": {
     "mcopy": {
diff --git a/app/package-lock.json b/app/package-lock.json
index 16b8979..4c6090d 100644
--- a/app/package-lock.json
+++ b/app/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "mcopy-app",
-  "version": "1.7.18",
+  "version": "1.7.19",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/app/package.json b/app/package.json
index c93f6b5..df9f997 100644
--- a/app/package.json
+++ b/app/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mcopy-app",
-  "version": "1.7.18",
+  "version": "1.7.19",
   "description": "GUI for the mcopy small gauge film optical printer platform",
   "main": "main.js",
   "scripts": {
diff --git a/data/cfg.json b/data/cfg.json
index 4c40dac..2a62269 100644
--- a/data/cfg.json
+++ b/data/cfg.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.7.18",
+  "version": "1.7.19",
   "ext_port": 1111,
   "profiles": {
     "mcopy": {
diff --git a/package-lock.json b/package-lock.json
index c3e3644..92dd87b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "mcopy",
-  "version": "1.7.18",
+  "version": "1.7.19",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "mcopy",
-      "version": "1.7.18",
+      "version": "1.7.19",
       "license": "MIT",
       "dependencies": {
         "arduino": "file:app/lib/arduino",
diff --git a/package.json b/package.json
index ff58382..e7d955f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mcopy",
-  "version": "1.7.18",
+  "version": "1.7.19",
   "description": "Small gauge film optical printer platform",
   "main": "build.js",
   "directories": {
diff --git a/processing/mcopy/cfg.json b/processing/mcopy/cfg.json
index 4c40dac..2a62269 100644
--- a/processing/mcopy/cfg.json
+++ b/processing/mcopy/cfg.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.7.18",
+  "version": "1.7.19",
   "ext_port": 1111,
   "profiles": {
     "mcopy": {
diff --git a/scripts/pre_commit.sh b/scripts/pre_commit.sh
index 401bd33..ca59f8f 100644
--- a/scripts/pre_commit.sh
+++ b/scripts/pre_commit.sh
@@ -1,3 +1,9 @@
 #!/bin/bash
 
-npm run patch
\ No newline at end of file
+branch_name=`sh ./scripts/branch_name.sh`
+
+if [[ "${branch_name}" == "main" ]]; then
+	npm run patch
+else
+	echo "no pre-commit on branch ${branch_name}"
+fi
\ No newline at end of file