diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 511db8c6..5b72398f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -108,13 +108,13 @@ jobs:
       # Upload coverage reports to Codecov
 
       - name: Upload coverage to codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         env:
           OS: "${{ matrix.os }}"
           PYTHON: "${{ matrix.python-version }}"
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-          file: ./coverage.coverage-combine.xml
+          files: ./coverage.coverage-combine.xml
           disable_search: true
           flags: combined-src
           env_vars: OS,PYTHON
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 4303feb5..40d9f961 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -5,7 +5,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.10"
+    python: "3.9"
 
 python:
   install:
diff --git a/docs/_static/charts/basic.jpeg b/docs/_static/charts/basic.jpeg
index 29ffc761..6677fa0f 100644
Binary files a/docs/_static/charts/basic.jpeg and b/docs/_static/charts/basic.jpeg differ
diff --git a/docs/_static/charts/basic.webp b/docs/_static/charts/basic.webp
index 7401abf1..7e6b5716 100644
Binary files a/docs/_static/charts/basic.webp and b/docs/_static/charts/basic.webp differ
diff --git a/docs/_static/charts/lincoln_weather.jpeg b/docs/_static/charts/lincoln_weather.jpeg
index a141b347..e38d85c2 100644
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diff --git a/docs/_static/charts/lincoln_weather.webp b/docs/_static/charts/lincoln_weather.webp
index 737feccc..1d88188b 100644
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diff --git a/docs/_static/charts/lincoln_weather_red_blue.jpeg b/docs/_static/charts/lincoln_weather_red_blue.jpeg
index c474bd66..518efd1d 100644
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diff --git a/docs/_static/charts/lincoln_weather_red_blue.webp b/docs/_static/charts/lincoln_weather_red_blue.webp
index 8f2f8dac..01245ce8 100644
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diff --git a/docs/_static/charts/probly.jpeg b/docs/_static/charts/probly.jpeg
index 28ad0778..b9f57525 100644
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diff --git a/docs/_static/charts/probly.webp b/docs/_static/charts/probly.webp
index 6dbd688a..b96aded4 100644
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diff --git a/requirements/docs.txt b/requirements/docs.txt
index 5bb51f9a..7d3ebb50 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -27,3 +27,6 @@ matplotlib
 
 # Cleanup generated files
 pre_commit_hooks
+
+# TODO: revert this (https://github.com/plotly/Kaleido/issues/226)
+kaleido<0.4