diff --git a/pyproject.toml b/pyproject.toml
index 66b4f95..7e28290 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,6 +51,7 @@ docs = "https://django-pg-migration-tools.readthedocs.io/"
 # Used for running the test matrix via `nox` locally or by remote checks.
 # Also reused in the `dev` dependencies list.
 pytest-in-nox = [
+    "coverage>=7.6.1",
     "dj-database-url>=2.1.0",
     "django-stubs>=5.0.0",
     "environs>=11.0.0",
diff --git a/requirements/development.txt b/requirements/development.txt
index adc9d7e..8166229 100644
--- a/requirements/development.txt
+++ b/requirements/development.txt
@@ -20,6 +20,8 @@ charset-normalizer==3.3.2
     # via requests
 colorlog==6.8.2
     # via nox
+coverage==7.6.1
+    # via django-pg-migration-tools (pyproject.toml)
 distlib==0.3.8
     # via virtualenv
 dj-database-url==2.2.0
diff --git a/requirements/pytest-in-nox.txt b/requirements/pytest-in-nox.txt
index 77ff241..a36282b 100644
--- a/requirements/pytest-in-nox.txt
+++ b/requirements/pytest-in-nox.txt
@@ -8,6 +8,8 @@ asgiref==3.8.1
     #   django-stubs
 colorlog==6.8.2
     # via nox
+coverage==7.6.1
+    # via django-pg-migration-tools (pyproject.toml)
 distlib==0.3.8
     # via virtualenv
 dj-database-url==2.2.0