diff --git a/.readthedocs.yml b/.readthedocs.yml
index 7380a941..f0ccf901 100755
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,28 +1,22 @@
-# SPDX-FileCopyrightText: 2020 Efabless Corporation
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-# SPDX-License-Identifier: Apache-2.0
-# .readthedocs.yml
+# .readthedocs.yaml
 # Read the Docs configuration file
 # See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
 
 # Required
 version: 2
 
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.10"
+
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: docs/source/conf.py
 
-conda:
-  environment: docs/environment.yml
+# We recommend specifying your dependencies to enable reproducible builds:
+# https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
+python:
+  install:
+  - requirements: docs/requirements.txt
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 46b77444..7b714032 100755
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -6,3 +6,4 @@ sphinx-autobuild
 recommonmark
 sphinx_markdown_tables
 sphinxcontrib-wavedrom
+sphinx_rtd_theme
diff --git a/manifest b/manifest
index 178b2c15..b2846969 100644
--- a/manifest
+++ b/manifest
@@ -22,7 +22,7 @@ ae07f0d87e69f4dd2026ed841e3a962facac847b  verilog/rtl/caravel_openframe.v
 d97cb60c8d125d6098111d4f0aa00410515770eb  verilog/rtl/caravel_power_routing.v
 e54c181033aa019f0edcaed5ffc71e54c3888970  verilog/rtl/chip_io.v
 1088531d6a69d82b976d4aca7ae923423680a715  verilog/rtl/chip_io_alt.v
-e293e138c6e6f5df76db78bdaa34a35003f6ba5f  verilog/rtl/chip_io_openframe.v
+b080fd6193e1aee1cd476d8a4c117d65ae1e1178  verilog/rtl/chip_io_openframe.v
 126aff02aa229dc346301c552d785dec76a4d68e  verilog/rtl/clock_div.v
 941bd7636e7558b045faa3d8c6ba2d91b4c4b798  verilog/rtl/constant_block.v
 58fd210a64e502fb231d843eada4052f923d788d  verilog/rtl/copyright_block.v
@@ -47,7 +47,7 @@ c96ba94e5779ea6afe452d89632eaada73e26aab  verilog/rtl/mprj_io.v
 e0c6ead5e35c1ba01d923c482e953c2af9691524  verilog/rtl/mprj_io_buffer.v
 3baffde4788f01e2ff0e5cd83020a76bd63ef7d7  verilog/rtl/mprj_logic_high.v
 5287821a0ed1994850a978ef0cd024fac51fb6e8  verilog/rtl/open_source.v
-33c8fc54298e5425875aaab8c139074ec7d0e9e9  verilog/rtl/openframe_netlists.v
+189532aff9e5e2ebbd99befd05cbf50e948b14af  verilog/rtl/openframe_netlists.v
 b53c154e6acaf44e858c936c8027d0229608676e  verilog/rtl/pads.v
 669d16642d5dd5f6824812754db20db98c9fe17b  verilog/rtl/ring_osc2x13.v
 83937790b8f5dbcdd7e9a804b5e9bdf475c0ab7d  verilog/rtl/simple_por.v