diff --git a/README.md b/README.md
index 01fae81..7273449 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,6 @@
 [![Discord](https://img.shields.io/static/v1?logo=discord&label=chat&message=on%20discord&color=7289da&style=flat-square)](https://discord.gg/hnTJ5MRX2Y)
 
 [![gh-actions](https://img.shields.io/github/workflow/status/nschloe/tuna/ci?style=flat-square)](https://github.com/nschloe/tuna/actions?query=workflow%3Aci)
-[![codecov](https://img.shields.io/codecov/c/github/nschloe/tuna.svg?style=flat-square)](https://codecov.io/gh/nschloe/tuna)
 [![LGTM](https://img.shields.io/lgtm/grade/python/github/nschloe/tuna.svg?style=flat-square)](https://lgtm.com/projects/g/nschloe/tuna)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg?style=flat-square)](https://github.com/psf/black)
 
diff --git a/package-lock.json b/package-lock.json
index b83181e..88e9394 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,362 @@
 {
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+      "integrity": "sha512-tmhPET9B9qCl8dCofvHeiIhi49iBt0EehmIsziZib65k1erBW1rHhj2s/2JsuQh5Pq+xz2E9bEbzp9B7xHG+VA==",
+      "requires": {}
     },
     "commander": {
       "version": "2.20.3",
@@ -14,9 +364,9 @@
       "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ=="
     },
     "d3": {
-      "version": "6.6.0",
-      "resolved": "https://registry.npmjs.org/d3/-/d3-6.6.0.tgz",
-      "integrity": "sha512-fWyMfZDSOLksXeYuiHM/uHap7pKgypUnOGY8jiTfmmAWH1HM6ErPtnHiKEdqs7DtZqbombUgaKwq3B5Pjm7GOQ==",
+      "version": "6.7.0",
+      "resolved": "https://registry.npmjs.org/d3/-/d3-6.7.0.tgz",
+      "integrity": "sha512-hNHRhe+yCDLUG6Q2LwvR/WdNFPOJQ5VWqsJcwIYVeI401+d2/rrCjxSXkiAdIlpx7/73eApFB4Olsmh3YN7a6g==",
       "requires": {
         "d3-array": "2",
         "d3-axis": "2",
@@ -51,9 +401,9 @@
       }
     },
     "d3-array": {
-      "version": "2.12.0",
-      "resolved": "https://registry.npmjs.org/d3-array/-/d3-array-2.12.0.tgz",
-      "integrity": "sha512-T6H/qNldyD/1OlRkJbonb3u3MPhNwju8OPxYv0YSjDb/B2RUeeBEHzIpNrYiinwpmz8+am+puMrpcrDWgY9wRg==",
+      "version": "2.12.1",
+      "resolved": "https://registry.npmjs.org/d3-array/-/d3-array-2.12.1.tgz",
+      "integrity": "sha512-B0ErZK/66mHtEsR1TkPEEkwdy+WDesimkM5gpZr5Dsg54BiTA5RXtYW5qTLIAcekaS9xfZrzBLF/OAkB3Qn1YQ==",
       "requires": {
         "internmap": "^1.0.0"
       }
@@ -198,14 +548,14 @@
       "integrity": "sha512-0D9P8TRj6qDAtHhRQn6EfdOtHMfsUWanl3yb/84C4DqpZ+VsgfI5iTVRNRbELCfNvRfpMr8OrqqUTQ6ANGCijw=="
     },
     "d3-scale": {
-      "version": "3.2.3",
-      "resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-3.2.3.tgz",
-      "integrity": "sha512-8E37oWEmEzj57bHcnjPVOBS3n4jqakOeuv1EDdQSiSrYnMCBdMd3nc4HtKk7uia8DUHcY/CGuJ42xxgtEYrX0g==",
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-3.3.0.tgz",
+      "integrity": "sha512-1JGp44NQCt5d1g+Yy+GeOnZP7xHo0ii8zsQp6PGzd+C1/dl0KGsp9A7Mxwp+1D1o4unbTTxVdU/ZOIEBoeZPbQ==",
       "requires": {
         "d3-array": "^2.3.0",
         "d3-format": "1 - 2",
         "d3-interpolate": "1.2.0 - 2",
-        "d3-time": "1 - 2",
+        "d3-time": "^2.1.1",
         "d3-time-format": "2 - 3"
       }
     },
@@ -232,9 +582,12 @@
       }
     },
     "d3-time": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/d3-time/-/d3-time-2.0.0.tgz",
-      "integrity": "sha512-2mvhstTFcMvwStWd9Tj3e6CEqtOivtD8AUiHT8ido/xmzrI9ijrUUihZ6nHuf/vsScRBonagOdj0Vv+SEL5G3Q=="
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/d3-time/-/d3-time-2.1.1.tgz",
+      "integrity": "sha512-/eIQe/eR4kCQwq7yxi7z4c6qEXf2IYGcjoWB5OOQy4Tq9Uv39/947qlDcN2TLkiTzQWzvnsuYPB9TrWaNfipKQ==",
+      "requires": {
+        "d3-array": "2"
+      }
     },
     "d3-time-format": {
       "version": "3.0.0",
diff --git a/package.json b/package.json
index 2957f25..93bc303 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "tuna",
   "dependencies": {
-    "bootstrap": "5.0.0-beta2",
-    "d3": "6.6.0"
+    "bootstrap": "5.0.0",
+    "d3": "6.7.0"
   }
 }
diff --git a/setup.cfg b/setup.cfg
index 96f6d63..3c00980 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = tuna
-version = 0.5.5
+version = 0.5.6
 author = Nico Schlömer
 author_email = nico.schloemer@gmail.com
 description = Visualize Python performance profiles
@@ -11,7 +11,6 @@ project_urls =
 long_description = file: README.md
 long_description_content_type = text/markdown
 license = GPL-3.0-or-later
-license_file = LICENSE.txt
 classifiers =
     Development Status :: 5 - Production/Stable
     Intended Audience :: Developers
diff --git a/test/foo.py b/tests/foo.py
similarity index 100%
rename from test/foo.py
rename to tests/foo.py
diff --git a/test/test_tuna.py b/tests/test_tuna.py
similarity index 100%
rename from test/test_tuna.py
rename to tests/test_tuna.py