diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index b92a1988..4a60207f 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -52,7 +52,7 @@ jobs:
           prefix = "rtichoke/_vendor/rtichoke_viz/"
           required = {
               f"{prefix}VENDORED_FROM",
-              f"{prefix}rtichoke-viz-0.20.0.tar.gz",
+              f"{prefix}rtichoke-viz-0.20.1.tar.gz",
               f"{prefix}rtichoke-viz.js",
               f"{prefix}rtichoke-viz.css",
               f"{prefix}rtichoke-viz.schema.json",
@@ -60,6 +60,7 @@ jobs:
               f"{prefix}rtichoke-viz-report.schema.json",
           }
           assert required <= names
+          assert f"{prefix}rtichoke-viz-0.20.0.tar.gz" not in names
           assert f"{prefix}rtichoke-viz-0.19.0.tar.gz" not in names
           assert f"{prefix}rtichoke-viz-0.14.0.tar.gz" not in names
           PY
diff --git a/src/rtichoke/_vendor/rtichoke_viz/VENDORED_FROM b/src/rtichoke/_vendor/rtichoke_viz/VENDORED_FROM
index f2b79588..22383d7d 100644
--- a/src/rtichoke/_vendor/rtichoke_viz/VENDORED_FROM
+++ b/src/rtichoke/_vendor/rtichoke_viz/VENDORED_FROM
@@ -1,5 +1,5 @@
 repository=https://github.com/uriahf/rtichoke_viz
-release=v0.20.0
-source_commit=15e9712686650e23d3c79ddea99892bc5836f5e4
-archive=rtichoke-viz-0.20.0.tar.gz
-sha256=9a89356ffa5e72de3526f343960ad21bbc57475a3515748d846cbd447dee17d1
+release=v0.20.1
+source_commit=56e097ab394f3499ef5cfe791e686248df8b39f2
+archive=rtichoke-viz-0.20.1.tar.gz
+sha256=17aebfb05a479c3ea28855f6ca3f43cadde7b8b134a2080e309c630c63617629
diff --git a/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz-0.20.0.tar.gz b/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz-0.20.0.tar.gz
deleted file mode 100644
index ee84f132..00000000
Binary files a/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz-0.20.0.tar.gz and /dev/null differ
diff --git a/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz-0.20.1.tar.gz b/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz-0.20.1.tar.gz
new file mode 100644
index 00000000..87e56088
Binary files /dev/null and b/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz-0.20.1.tar.gz differ
diff --git a/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz.css b/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz.css
index 4f36e276..61a45c88 100644
--- a/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz.css
+++ b/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz.css
@@ -191,6 +191,7 @@
   border-bottom: 1px solid #f3f4f6;
   white-space: nowrap;
   position: relative;
+  z-index: 0;
 }
 
 .rtichoke-performance-table__table tbody tr:hover {
@@ -218,6 +219,11 @@
   min-width: 70px;
 }
 
+.rtichoke-performance-table__cell-text {
+  position: relative;
+  z-index: 1;
+}
+
 .rtichoke-performance-table__bar {
   position: absolute;
   top: 4px;
@@ -227,6 +233,7 @@
   pointer-events: none;
   overflow: hidden;
   border-radius: 2px;
+  z-index: -1;
 }
 
 .rtichoke-performance-table__bar-fill {
@@ -234,20 +241,19 @@
   top: 0;
   bottom: 0;
   border-radius: 2px;
-  opacity: 0.25;
   transition: width 0.2s ease;
 }
 
 .rtichoke-performance-table__bar-fill--positive {
-  background-color: #2e7559;
+  background-color: lightgreen;
 }
 
 .rtichoke-performance-table__bar-fill--negative {
-  background-color: #dc2626;
+  background-color: pink;
 }
 
 .rtichoke-performance-table__bar-fill--neutral {
-  background-color: #6b7280;
+  background-color: lightgrey;
 }
 
 /* Disclosure column & toggle button */
diff --git a/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz.js b/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz.js
index ccb7d16e..e52b0167 100644
--- a/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz.js
+++ b/src/rtichoke/_vendor/rtichoke_viz/rtichoke-viz.js
@@ -20298,7 +20298,10 @@ var PRIMARY_METRIC_ORDER = [
 ];
 function cell(document2, text2, className) {
   const element = document2.createElement("td");
-  element.textContent = text2;
+  const contentSpan = document2.createElement("span");
+  contentSpan.className = "rtichoke-performance-table__cell-text";
+  contentSpan.textContent = text2;
+  element.append(contentSpan);
   if (className) element.className = className;
   return element;
 }
diff --git a/tests/test_rtichoke_viz_vendor.py b/tests/test_rtichoke_viz_vendor.py
index 57bf1257..e1b95224 100644
--- a/tests/test_rtichoke_viz_vendor.py
+++ b/tests/test_rtichoke_viz_vendor.py
@@ -3,19 +3,19 @@
 from pathlib import Path
 
 _VENDOR = Path(__file__).parents[1] / "src" / "rtichoke" / "_vendor" / "rtichoke_viz"
-_RELEASE_DIR = "rtichoke-viz-0.20.0"
-_SHA256 = "9a89356ffa5e72de3526f343960ad21bbc57475a3515748d846cbd447dee17d1"
-_SOURCE_COMMIT = "15e9712686650e23d3c79ddea99892bc5836f5e4"
+_RELEASE_DIR = "rtichoke-viz-0.20.1"
+_SHA256 = "17aebfb05a479c3ea28855f6ca3f43cadde7b8b134a2080e309c630c63617629"
+_SOURCE_COMMIT = "56e097ab394f3499ef5cfe791e686248df8b39f2"
 
 
-def test_vendored_rtichoke_viz_v0200_provenance_archive_and_schemas():
+def test_vendored_rtichoke_viz_v0201_provenance_archive_and_schemas():
     provenance = (_VENDOR / "VENDORED_FROM").read_text()
-    assert "release=v0.20.0" in provenance
+    assert "release=v0.20.1" in provenance
     assert f"source_commit={_SOURCE_COMMIT}" in provenance
-    assert "archive=rtichoke-viz-0.20.0.tar.gz" in provenance
+    assert "archive=rtichoke-viz-0.20.1.tar.gz" in provenance
     assert f"sha256={_SHA256}" in provenance
 
-    archive = _VENDOR / "rtichoke-viz-0.20.0.tar.gz"
+    archive = _VENDOR / "rtichoke-viz-0.20.1.tar.gz"
     assert hashlib.sha256(archive.read_bytes()).hexdigest() == _SHA256
     with tarfile.open(archive, "r:gz") as release:
         assert set(release.getnames()) == {
@@ -30,7 +30,7 @@ def test_vendored_rtichoke_viz_v0200_provenance_archive_and_schemas():
         manifest = release.extractfile(f"{_RELEASE_DIR}/MANIFEST")
         assert manifest is not None
         assert manifest.read().decode() == (
-            f"version=0.20.0\ncommit={_SOURCE_COMMIT}\n"
+            f"version=0.20.1\ncommit={_SOURCE_COMMIT}\n"
         )
         for filename in (
             "rtichoke-viz.css",
@@ -43,6 +43,7 @@ def test_vendored_rtichoke_viz_v0200_provenance_archive_and_schemas():
             assert packaged is not None
             assert (_VENDOR / filename).read_bytes() == packaged.read()
 
+    assert not (_VENDOR / "rtichoke-viz-0.20.0.tar.gz").exists()
     assert not (_VENDOR / "rtichoke-viz-0.19.0.tar.gz").exists()
     assert not (_VENDOR / "rtichoke-viz-0.14.0.tar.gz").exists()
     assert (_VENDOR / "rtichoke-viz.js").stat().st_size > 0
@@ -59,7 +60,7 @@ def test_vendored_rtichoke_viz_v0200_provenance_archive_and_schemas():
     assert '"summary_metrics"' in report_schema
 
 
-def test_v0200_bundle_keeps_existing_exports_and_time_dependent_surfaces():
+def test_v0201_bundle_keeps_existing_exports_and_time_dependent_surfaces():
     bundle = (_VENDOR / "rtichoke-viz.js").read_text(encoding="utf-8")
     for export_name in (
         "renderRoc",