diff --git a/bot/ci/bootstrap.sh b/bot/ci/bootstrap.sh
index d7345e951..2afd025ac 100755
--- a/bot/ci/bootstrap.sh
+++ b/bot/ci/bootstrap.sh
@@ -1,10 +1,11 @@
 #!/bin/bash -ex
-GRCOV_VERSION="v0.5.9"
+GRCOV_VERSION="v0.5.10"
 MERCURIAL_VERSION="5.3"
 VERSION_CONTROL_TOOLS_REV="2f7b4df4a928"
 
 apt-get update
-apt-get install --no-install-recommends -y gcc curl bzip2 python-dev
+# libgoogle-perftools4 is currently required for grcov (until https://github.com/mozilla/grcov/issues/403 is fixed).
+apt-get install --no-install-recommends -y gcc curl bzip2 python-dev libgoogle-perftools4
 
 pip install --disable-pip-version-check --quiet --no-cache-dir mercurial==$MERCURIAL_VERSION
 
diff --git a/bot/code_coverage_bot/grcov.py b/bot/code_coverage_bot/grcov.py
index b6f84faba..00e2d9abd 100644
--- a/bot/code_coverage_bot/grcov.py
+++ b/bot/code_coverage_bot/grcov.py
@@ -17,18 +17,7 @@ def report(artifacts, source_dir=None, out_format="covdir", options=[]):
 
     # Coveralls+ is only needed for zero-coverage reports
     if out_format == "coveralls+":
-        cmd.extend(
-            [
-                "--service-name",
-                "TaskCluster",
-                "--commit-sha",
-                "unused",
-                "--token",
-                "unused",
-                "--service-job-number",
-                "1",
-            ]
-        )
+        cmd.extend(["--token", "unused"])
 
     if source_dir is not None:
         cmd.extend(["-s", source_dir])
diff --git a/bot/tests/test_grcov.py b/bot/tests/test_grcov.py
index caa21112b..310acfa8b 100644
--- a/bot/tests/test_grcov.py
+++ b/bot/tests/test_grcov.py
@@ -24,10 +24,7 @@ def test_report_grcov_artifact_coverallsplus(grcov_artifact):
     output = grcov.report([grcov_artifact], out_format="coveralls+")
     report = json.loads(output.decode("utf-8"))
     assert report["repo_token"] == "unused"
-    assert report["service_name"] == "TaskCluster"
-    assert report["service_job_number"] == "1"
     assert report["git"]["branch"] == "master"
-    assert report["git"]["head"]["id"] == "unused"
     assert report["service_number"] == ""
     assert len(report["source_files"]) == 1
     assert report["source_files"][0]["name"] == "js/src/jit/BitSet.cpp"