diff --git a/.gitignore b/.gitignore
index 3331b2c..5f8bf31 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ build/
 coverage-report/
 dist/
 .idea/
+.eggs/
diff --git a/Pipfile b/Pipfile
index 9b38bb9..b5519ab 100644
--- a/Pipfile
+++ b/Pipfile
@@ -4,10 +4,10 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
-django = "*"
+Django = "<3"
 
 [dev-packages]
 coverage = "*"
 
 [requires]
-python_version = "3.6"
+python_version = "3.7"
diff --git a/Pipfile.lock b/Pipfile.lock
index c40bb64..e10cf99 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,11 +1,11 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "4f2c26123afdb8df49819165b8514b1bc786124c6079304035cf1171d5da9c22"
+            "sha256": "d81d49034f412a1d7e64a397cf88c9f1ae3402cffc1da3dfd5e0b095563f30f1"
         },
         "pipfile-spec": 6,
         "requires": {
-            "python_version": "3.6"
+            "python_version": "3.7"
         },
         "sources": [
             {
@@ -18,57 +18,64 @@
     "default": {
         "django": {
             "hashes": [
-                "sha256:1ffab268ada3d5684c05ba7ce776eaeedef360712358d6a6b340ae9f16486916",
-                "sha256:dd46d87af4c1bf54f4c926c3cfa41dc2b5c15782f15e4329752ce65f5dad1c37"
+                "sha256:1226168be1b1c7efd0e66ee79b0e0b58b2caa7ed87717909cd8a57bb13a7079a",
+                "sha256:9a4635813e2d498a3c01b10c701fe4a515d76dd290aaa792ccb65ca4ccb6b038"
             ],
             "index": "pypi",
-            "version": "==2.1.3"
+            "version": "==2.2.10"
         },
         "pytz": {
             "hashes": [
-                "sha256:31cb35c89bd7d333cd32c5f278fca91b523b0834369e757f4c5641ea252236ca",
-                "sha256:8e0f8568c118d3077b46be7d654cc8167fa916092e28320cde048e54bfc9f1e6"
+                "sha256:1c557d7d0e871de1f5ccd5833f60fb2550652da6be2693c1e02300743d21500d",
+                "sha256:b02c06db6cf09c12dd25137e563b31700d3b80fcc4ad23abb7a315f2789819be"
             ],
-            "version": "==2018.7"
+            "version": "==2019.3"
+        },
+        "sqlparse": {
+            "hashes": [
+                "sha256:022fb9c87b524d1f7862b3037e541f68597a730a8843245c349fc93e1643dc4e",
+                "sha256:e162203737712307dfe78860cc56c8da8a852ab2ee33750e33aeadf38d12c548"
+            ],
+            "version": "==0.3.1"
         }
     },
     "develop": {
         "coverage": {
             "hashes": [
-                "sha256:09e47c529ff77bf042ecfe858fb55c3e3eb97aac2c87f0349ab5a7efd6b3939f",
-                "sha256:0a1f9b0eb3aa15c990c328535655847b3420231af299386cfe5efc98f9c250fe",
-                "sha256:0cc941b37b8c2ececfed341444a456912e740ecf515d560de58b9a76562d966d",
-                "sha256:10e8af18d1315de936d67775d3a814cc81d0747a1a0312d84e27ae5610e313b0",
-                "sha256:1b4276550b86caa60606bd3572b52769860a81a70754a54acc8ba789ce74d607",
-                "sha256:1e8a2627c48266c7b813975335cfdea58c706fe36f607c97d9392e61502dc79d",
-                "sha256:2b224052bfd801beb7478b03e8a66f3f25ea56ea488922e98903914ac9ac930b",
-                "sha256:447c450a093766744ab53bf1e7063ec82866f27bcb4f4c907da25ad293bba7e3",
-                "sha256:46101fc20c6f6568561cdd15a54018bb42980954b79aa46da8ae6f008066a30e",
-                "sha256:4710dc676bb4b779c4361b54eb308bc84d64a2fa3d78e5f7228921eccce5d815",
-                "sha256:510986f9a280cd05189b42eee2b69fecdf5bf9651d4cd315ea21d24a964a3c36",
-                "sha256:5535dda5739257effef56e49a1c51c71f1d37a6e5607bb25a5eee507c59580d1",
-                "sha256:5a7524042014642b39b1fcae85fb37556c200e64ec90824ae9ecf7b667ccfc14",
-                "sha256:5f55028169ef85e1fa8e4b8b1b91c0b3b0fa3297c4fb22990d46ff01d22c2d6c",
-                "sha256:6694d5573e7790a0e8d3d177d7a416ca5f5c150742ee703f3c18df76260de794",
-                "sha256:6831e1ac20ac52634da606b658b0b2712d26984999c9d93f0c6e59fe62ca741b",
-                "sha256:77f0d9fa5e10d03aa4528436e33423bfa3718b86c646615f04616294c935f840",
-                "sha256:828ad813c7cdc2e71dcf141912c685bfe4b548c0e6d9540db6418b807c345ddd",
-                "sha256:85a06c61598b14b015d4df233d249cd5abfa61084ef5b9f64a48e997fd829a82",
-                "sha256:8cb4febad0f0b26c6f62e1628f2053954ad2c555d67660f28dfb1b0496711952",
-                "sha256:a5c58664b23b248b16b96253880b2868fb34358911400a7ba39d7f6399935389",
-                "sha256:aaa0f296e503cda4bc07566f592cd7a28779d433f3a23c48082af425d6d5a78f",
-                "sha256:ab235d9fe64833f12d1334d29b558aacedfbca2356dfb9691f2d0d38a8a7bfb4",
-                "sha256:b3b0c8f660fae65eac74fbf003f3103769b90012ae7a460863010539bb7a80da",
-                "sha256:bab8e6d510d2ea0f1d14f12642e3f35cefa47a9b2e4c7cea1852b52bc9c49647",
-                "sha256:c45297bbdbc8bb79b02cf41417d63352b70bcb76f1bbb1ee7d47b3e89e42f95d",
-                "sha256:d19bca47c8a01b92640c614a9147b081a1974f69168ecd494687c827109e8f42",
-                "sha256:d64b4340a0c488a9e79b66ec9f9d77d02b99b772c8b8afd46c1294c1d39ca478",
-                "sha256:da969da069a82bbb5300b59161d8d7c8d423bc4ccd3b410a9b4d8932aeefc14b",
-                "sha256:ed02c7539705696ecb7dc9d476d861f3904a8d2b7e894bd418994920935d36bb",
-                "sha256:ee5b8abc35b549012e03a7b1e86c09491457dba6c94112a2482b18589cc2bdb9"
+                "sha256:15cf13a6896048d6d947bf7d222f36e4809ab926894beb748fc9caa14605d9c3",
+                "sha256:1daa3eceed220f9fdb80d5ff950dd95112cd27f70d004c7918ca6dfc6c47054c",
+                "sha256:1e44a022500d944d42f94df76727ba3fc0a5c0b672c358b61067abb88caee7a0",
+                "sha256:25dbf1110d70bab68a74b4b9d74f30e99b177cde3388e07cc7272f2168bd1477",
+                "sha256:3230d1003eec018ad4a472d254991e34241e0bbd513e97a29727c7c2f637bd2a",
+                "sha256:3dbb72eaeea5763676a1a1efd9b427a048c97c39ed92e13336e726117d0b72bf",
+                "sha256:5012d3b8d5a500834783689a5d2292fe06ec75dc86ee1ccdad04b6f5bf231691",
+                "sha256:51bc7710b13a2ae0c726f69756cf7ffd4362f4ac36546e243136187cfcc8aa73",
+                "sha256:527b4f316e6bf7755082a783726da20671a0cc388b786a64417780b90565b987",
+                "sha256:722e4557c8039aad9592c6a4213db75da08c2cd9945320220634f637251c3894",
+                "sha256:76e2057e8ffba5472fd28a3a010431fd9e928885ff480cb278877c6e9943cc2e",
+                "sha256:77afca04240c40450c331fa796b3eab6f1e15c5ecf8bf2b8bee9706cd5452fef",
+                "sha256:7afad9835e7a651d3551eab18cbc0fdb888f0a6136169fbef0662d9cdc9987cf",
+                "sha256:9bea19ac2f08672636350f203db89382121c9c2ade85d945953ef3c8cf9d2a68",
+                "sha256:a8b8ac7876bc3598e43e2603f772d2353d9931709345ad6c1149009fd1bc81b8",
+                "sha256:b0840b45187699affd4c6588286d429cd79a99d509fe3de0f209594669bb0954",
+                "sha256:b26aaf69713e5674efbde4d728fb7124e429c9466aeaf5f4a7e9e699b12c9fe2",
+                "sha256:b63dd43f455ba878e5e9f80ba4f748c0a2156dde6e0e6e690310e24d6e8caf40",
+                "sha256:be18f4ae5a9e46edae3f329de2191747966a34a3d93046dbdf897319923923bc",
+                "sha256:c312e57847db2526bc92b9bfa78266bfbaabac3fdcd751df4d062cd4c23e46dc",
+                "sha256:c60097190fe9dc2b329a0eb03393e2e0829156a589bd732e70794c0dd804258e",
+                "sha256:c62a2143e1313944bf4a5ab34fd3b4be15367a02e9478b0ce800cb510e3bbb9d",
+                "sha256:cc1109f54a14d940b8512ee9f1c3975c181bbb200306c6d8b87d93376538782f",
+                "sha256:cd60f507c125ac0ad83f05803063bed27e50fa903b9c2cfee3f8a6867ca600fc",
+                "sha256:d513cc3db248e566e07a0da99c230aca3556d9b09ed02f420664e2da97eac301",
+                "sha256:d649dc0bcace6fcdb446ae02b98798a856593b19b637c1b9af8edadf2b150bea",
+                "sha256:d7008a6796095a79544f4da1ee49418901961c97ca9e9d44904205ff7d6aa8cb",
+                "sha256:da93027835164b8223e8e5af2cf902a4c80ed93cb0909417234f4a9df3bcd9af",
+                "sha256:e69215621707119c6baf99bda014a45b999d37602cb7043d943c76a59b05bf52",
+                "sha256:ea9525e0fef2de9208250d6c5aeeee0138921057cd67fcef90fbed49c4d62d37",
+                "sha256:fca1669d464f0c9831fd10be2eef6b86f5ebd76c724d1e0706ebdff86bb4adf0"
             ],
             "index": "pypi",
-            "version": "==4.5.2"
+            "version": "==5.0.3"
         }
     }
 }
diff --git a/README.rst b/README.rst
index 7758c79..cb6ba51 100644
--- a/README.rst
+++ b/README.rst
@@ -15,6 +15,9 @@ Install dependencies
 Run tests
 =========
 
+To run the unit tests and report test coverage use:
+
 .. code-block::
 
-   pipenv run coverage run --branch setup.py test
\ No newline at end of file
+   pipenv run coverage run --branch setup.py test
+   pipenv run coverage report -m
diff --git a/gvacommon/__init__.py b/gvacommon/__init__.py
index e2f141e..aa2947c 100644
--- a/gvacommon/__init__.py
+++ b/gvacommon/__init__.py
@@ -1,6 +1,6 @@
 #
 # gvacommon - common parts of gnuviechadmin
-# Copyright (C) 2015-2018  Jan Dittberner
+# Copyright (C) 2015-2020  Jan Dittberner
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -15,4 +15,4 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-__version__ = '0.4.0'
+__version__ = '0.5.0'
diff --git a/setup.py b/setup.py
index b83d6b0..8b04a56 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 #
 # gvacommon - common parts of gnuviechadmin
-# Copyright (C) 2016-2018  Jan Dittberner
+# Copyright (C) 2016-2020  Jan Dittberner
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -38,11 +38,12 @@ setup(
     classifiers=[
         'Development Status :: 4 - Beta',
         'License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)',
-        'Programming Language :: Python',
+        'Programming Language :: Python 3',
+        'Programming Language :: Python 3.7',
         'Intended Audience :: Developers',
     ],
     keywords='gnuviechadmin',
-    url='https://dev.gnuviech-server.de/gvacommon/',
+    url='https://git.dittberner.info/gnuviech/gvacommon/',
     author='Jan Dittberner',
     author_email='jan@dittberner.info',
     license='AGPLv3+',