diff --git a/requirements-dev.in b/requirements-dev.in
index 8610a4c..a59319d 100644
--- a/requirements-dev.in
+++ b/requirements-dev.in
@@ -3,5 +3,5 @@ mypy==1.16.0
 pip-tools==7.4.1
 pre-commit==4.2.0
 pytest==8.4.0
-pytest-cov==6.1.1
+pytest-cov==6.2.1
 pytest-env==1.1.5
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7d691cb..05da95a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -37,7 +37,9 @@ pip-tools==7.4.1
 platformdirs==4.3.6
     # via virtualenv
 pluggy==1.5.0
-    # via pytest
+    # via
+    #   pytest
+    #   pytest-cov
 pre-commit==4.2.0
     # via -r requirements-dev.in
 pygments==2.19.1
@@ -51,7 +53,7 @@ pytest==8.4.0
     #   -r requirements-dev.in
     #   pytest-cov
     #   pytest-env
-pytest-cov==6.1.1
+pytest-cov==6.2.1
     # via -r requirements-dev.in
 pytest-env==1.1.5
     # via -r requirements-dev.in