diff --git a/Jenkinsfile b/Jenkinsfile
index a009577..673d24b 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -5,7 +5,7 @@ pipeline {
       steps {
         sh 'pip install pipenv'
 	sh 'pipenv shell --python 3.9'
-	sh 'pipenv install'
+	sh 'pipenv run pip install -r requirements.txt'
       }
     }
     stage('test') {
@@ -15,4 +15,4 @@ pipeline {
     }
   }
 }
-JENKINSFILE
+
diff --git a/Pipfile b/Pipfile
index 4598098..cbe3cde 100644
--- a/Pipfile
+++ b/Pipfile
@@ -6,6 +6,7 @@ name = "pypi"
 [packages]
 pyqt5 = "*"
 flask = "*"
+pipfile-requirements = "*"
 
 [dev-packages]
 
diff --git a/Pipfile.lock b/Pipfile.lock
index 2d77bb5..7e7c947 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "7e109b2e422fd8f28df61e91f17d440ba73c639918c3c4ad685bc8188a76fc7e"
+            "sha256": "d986f44bfa27a57188fed41e7e43825d0bc692e044d329c780330a8b4a3c597f"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -87,6 +87,30 @@
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.1.1"
         },
+        "packaging": {
+            "hashes": [
+                "sha256:05af3bb85d320377db281cf254ab050e1a7ebcbf5410685a9a407e18a1f81236",
+                "sha256:eb41423378682dadb7166144a4926e443093863024de508ca5c9737d6bc08376"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==20.7"
+        },
+        "pipfile-requirements": {
+            "hashes": [
+                "sha256:d47591d46d8bfecf9257967992feae31fa83aff7ab6417373c7de5ea92ab849f",
+                "sha256:dc2ff7515ce35f8b37a500e87e7b9cd39f0f5c18eb6024543366eb6d4226869b"
+            ],
+            "index": "pypi",
+            "version": "==0.3.0"
+        },
+        "pyparsing": {
+            "hashes": [
+                "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1",
+                "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"
+            ],
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.4.7"
+        },
         "pyqt5": {
             "hashes": [
                 "sha256:29889845688a54d62820585ad5b2e0200a36b304ff3d7a555e95599f110ba4ce",
@@ -125,6 +149,14 @@
             "markers": "python_version >= '3.5'",
             "version": "==12.8.1"
         },
+        "toml": {
+            "hashes": [
+                "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b",
+                "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
+            ],
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==0.10.2"
+        },
         "werkzeug": {
             "hashes": [
                 "sha256:2de2a5db0baeae7b2d2664949077c2ac63fbd16d98da0ff71837f7d1dea3fd43",
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..0dbb26a
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,15 @@
+################################################################################
+# This requirements file has been automatically generated from `Pipfile` with
+# `pipenv-to-requirements`
+#
+#
+# This has been done to maintain backward compatibility with tools and services
+# that do not support `Pipfile` yet.
+#
+# Do NOT edit it directly, use `pipenv install [-d]` to modify `Pipfile` and
+# `Pipfile.lock` and then regenerate `requirements*.txt`.
+################################################################################
+
+flask
+pipfile-requirements
+pyqt5