diff --git a/lib/metric-config-parser/requirements.in b/lib/metric-config-parser/requirements.in
index 1cbceec10..180050ba2 100644
--- a/lib/metric-config-parser/requirements.in
+++ b/lib/metric-config-parser/requirements.in
@@ -76,7 +76,7 @@ pytest==8.4.1
     #   mozilla-metric-config-parser
     #   pytest-cov
     #   pytest-ruff
-pytest-cov==6.2.1
+pytest-cov==6.3.0
     # via mozilla-metric-config-parser
 pytest-ruff==0.5
     # via mozilla-metric-config-parser
diff --git a/lib/metric-config-parser/requirements.txt b/lib/metric-config-parser/requirements.txt
index 6fddd1edc..861d384e2 100644
--- a/lib/metric-config-parser/requirements.txt
+++ b/lib/metric-config-parser/requirements.txt
@@ -520,9 +520,9 @@ pytest==8.4.1 \
     #   -r requirements.in
     #   pytest-cov
     #   pytest-ruff
-pytest-cov==6.2.1 \
-    --hash=sha256:25cc6cc0a5358204b8108ecedc51a9b57b34cc6b8c967cc2c01a4e00d8a67da2 \
-    --hash=sha256:f5bc4c23f42f1cdd23c70b1dab1bbaef4fc505ba950d53e0081d0730dd7e86d5
+pytest-cov==6.3.0 \
+    --hash=sha256:35c580e7800f87ce892e687461166e1ac2bcb8fb9e13aea79032518d6e503ff2 \
+    --hash=sha256:440db28156d2468cafc0415b4f8e50856a0d11faefa38f30906048fe490f1749
     # via -r requirements.in
 pytest-ruff==0.5 \
     --hash=sha256:d9db170d86fb167008e6702b4d79e2cccd8287f069c3a57f9261831cebdc4a31 \