diff --git a/bot/ci/bootstrap.sh b/bot/ci/bootstrap.sh
index 71eec6284..1fa70748e 100755
--- a/bot/ci/bootstrap.sh
+++ b/bot/ci/bootstrap.sh
@@ -1,5 +1,5 @@
 #!/bin/bash -ex
-GRCOV_VERSION="v0.5.3"
+GRCOV_VERSION="v0.5.6"
 MERCURIAL_VERSION="5.1"
 VERSION_CONTROL_TOOLS_REV="709c897f2444"
 
diff --git a/bot/tests/test_grcov.py b/bot/tests/test_grcov.py
index 802e457ac..caa21112b 100644
--- a/bot/tests/test_grcov.py
+++ b/bot/tests/test_grcov.py
@@ -206,7 +206,7 @@ def test_report_options(grcov_artifact, jsvm_artifact):
     output = grcov.report(
         [grcov_artifact, jsvm_artifact],
         out_format="covdir",
-        options=["--ignore-dir", "toolkit/*"],
+        options=["--ignore", "toolkit/*"],
     )
     report = json.loads(output.decode("utf-8"))
     assert report == {