diff --git a/.github/workflows/dart-ci.yaml b/.github/workflows/dart-ci.yaml
index 5ef5eb6d7..f48fd7930 100644
--- a/.github/workflows/dart-ci.yaml
+++ b/.github/workflows/dart-ci.yaml
@@ -19,6 +19,9 @@ jobs:
         with:
           channel: 'stable'
 
+      - name: Set environment
+        run: echo "$HOME/.pub-cache/bin" >> $GITHUB_PATH
+
       - name: Get dart dependencies.
         run: make dependencies
 
diff --git a/.gitignore b/.gitignore
index 726736164..3b1dc9127 100644
--- a/.gitignore
+++ b/.gitignore
@@ -108,7 +108,7 @@ node_modules/
 
 ## Test coverage
 coverage/
-**/test/.test_coverage.dart
+coverage.lcov
 
 ## Test resources
 **/test_resources/lib
diff --git a/Makefile b/Makefile
index 399538331..22d7e743e 100644
--- a/Makefile
+++ b/Makefile
@@ -35,7 +35,7 @@ unit-test:
 	cd packages/core/ && dart pub run test && cd ..
 
 coverage:
-	cd packages/core/ && dart pub run test_coverage --no-badge && cd ..
+	./scripts/coverage.sh packages/core
 	./scripts/codecov.sh ${CODECOV_TOKEN}
 
 setup-ubuntu:
diff --git a/packages/core/pubspec.lock b/packages/core/pubspec.lock
index 84a518bd0..dac81bfa8 100644
--- a/packages/core/pubspec.lock
+++ b/packages/core/pubspec.lock
@@ -267,13 +267,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.5.1"
-  lcov:
-    dependency: transitive
-    description:
-      name: lcov
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "5.7.0"
   logging:
     dependency: transitive
     description:
@@ -498,15 +491,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.3.11+4"
-  test_coverage:
-    dependency: "direct dev"
-    description:
-      path: "."
-      ref: HEAD
-      resolved-ref: d51c9577f78893e1654de8b7c1e92d2f8097838a
-      url: "https://github.com/shyndman/test-coverage.git"
-    source: git
-    version: "0.4.0"
   time:
     dependency: transitive
     description:
diff --git a/packages/core/pubspec.yaml b/packages/core/pubspec.yaml
index 5103de155..97189a00e 100644
--- a/packages/core/pubspec.yaml
+++ b/packages/core/pubspec.yaml
@@ -27,8 +27,6 @@ dependencies:
 
 dev_dependencies:
   test: ^1.15.7
-  test_coverage:
-    git: https://github.com/shyndman/test-coverage.git # TODO: https://github.com/pulyaevskiy/test-coverage/issues/14
   effective_dart: ^1.3.0
   build_runner: ^1.11.1
   json_serializable: ^3.5.1
diff --git a/packages/core/test/.test_coverage.dart b/packages/core/test/.test_coverage.dart
deleted file mode 100644
index 9bae54434..000000000
--- a/packages/core/test/.test_coverage.dart
+++ /dev/null
@@ -1,18 +0,0 @@
-// Auto-generated by test_coverage. Do not edit by hand.
-// Consider adding this file to your .gitignore.
-
-import 'assets_gen_integrations_test.dart' as assets_gen_integrations_test;
-import 'assets_gen_test.dart' as assets_gen_test;
-import 'colors_gen_test.dart' as colors_gen_test;
-import 'config_test.dart' as config_test;
-import 'flutter_gen_test.dart' as flutter_gen_test;
-import 'fonts_gen_test.dart' as fonts_gen_test;
-
-void main() {
-  config_test.main();
-  flutter_gen_test.main();
-  assets_gen_integrations_test.main();
-  fonts_gen_test.main();
-  assets_gen_test.main();
-  colors_gen_test.main();
-}
diff --git a/scripts/coverage.sh b/scripts/coverage.sh
new file mode 100755
index 000000000..0d9c74c89
--- /dev/null
+++ b/scripts/coverage.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+set -o pipefail
+
+DIR="${1}"
+cd ${DIR}
+dart pub global activate coverage
+dart test --coverage="coverage"
+format_coverage --lcov --in=coverage --out=coverage.lcov --packages=.packages --report-on=lib