diff --git a/Pipfile b/Pipfile
index ca218d7..cd5523b 100644
--- a/Pipfile
+++ b/Pipfile
@@ -20,8 +20,8 @@ dinjo = {editable = true, path = "."}
 
 [scripts]
 tests = "python -m pytest tests"
-tests-cov = "python -m pytest tests --cov dinjo"
-tests-cov-html = "python -m pytest tests --cov-report html --cov dinjo"
+tests-cov = "python -m pytest tests --cov src/dinjo"
+tests-cov-html = "python -m pytest tests --cov-report html --cov src/dinjo"
 linter = "flake8 src/dinjo tests examples --max-line-length=99"
 docs = "make -C docs html"
 docs-latex = "make -C docs latexpdf LATEXMKOPTS='-silent'"
diff --git a/Pipfile.lock b/Pipfile.lock
index 75392c6..923ad8b 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -635,7 +635,6 @@
                 "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"
         },
         "urllib3": {
diff --git a/requirements-dev.txt b/requirements-dev.txt
index f06ecae..74af979 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -53,5 +53,5 @@ sphinxcontrib-htmlhelp==2.0.0; python_version >= '3.6'
 sphinxcontrib-jsmath==1.0.1; python_version >= '3.5'
 sphinxcontrib-qthelp==1.0.3; python_version >= '3.5'
 sphinxcontrib-serializinghtml==1.1.5; python_version >= '3.5'
-toml==0.10.2; python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'
+toml==0.10.2
 urllib3==1.26.4; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'
diff --git a/setup.cfg b/setup.cfg
index 1ca9b5c..1d082c1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -19,6 +19,10 @@ classifiers =
     License :: OSI Approved :: GNU General Public License v3 (GPLv3)
     Topic :: Scientific/Engineering
     Topic :: Scientific/Engineering :: Mathematics
+    Development Status :: 3 - Alpha
+    Topic :: Software Development :: Libraries :: Python Modules
+    Topic :: Software Development :: Libraries
+    Topic :: Software Development
 
 [options]
 package_dir =