diff --git a/.github/espidf-ci/Dockerfile b/.github/espidf-ci/Dockerfile
index cff2274..01f2b01 100644
--- a/.github/espidf-ci/Dockerfile
+++ b/.github/espidf-ci/Dockerfile
@@ -27,7 +27,7 @@ RUN ln -sf /bin/bash /bin/sh
 RUN cd / && \
   git clone https://github.com/espressif/esp-idf && \
   cd esp-idf && \
-  git checkout v5.0.1 && \
+  git checkout v5.1 && \
   git submodule update --init --recursive
 
 RUN cd /esp-idf && \
diff --git a/.github/picosdk-ci/Dockerfile b/.github/picosdk-ci/Dockerfile
index 0d0174b..c015196 100644
--- a/.github/picosdk-ci/Dockerfile
+++ b/.github/picosdk-ci/Dockerfile
@@ -12,7 +12,7 @@ ENV PICO_SDK_PATH=/pico-sdk
 RUN cd / && \
   git clone https://github.com/raspberrypi/pico-sdk && \
   cd pico-sdk && \
-  git checkout 1.5.0 && \
+  git checkout 1.5.1 && \
   git submodule update --init --recursive
 
 RUN apt-get update && \
diff --git a/.github/pio-ci/Dockerfile b/.github/platformio-ci/Dockerfile
similarity index 86%
rename from .github/pio-ci/Dockerfile
rename to .github/platformio-ci/Dockerfile
index 2df0583..8b6bac4 100644
--- a/.github/pio-ci/Dockerfile
+++ b/.github/platformio-ci/Dockerfile
@@ -17,15 +17,16 @@ RUN cd /usr/bin && \
 
 RUN ln -sf /bin/bash /bin/sh
 
-RUN python -c \
-  "$(curl -fsSL https://raw.githubusercontent.com/platformio/platformio/master/scripts/get-platformio.py)"
+RUN curl -fsSL https://raw.githubusercontent.com/platformio/platformio-core-installer/master/get-platformio.py -o get-platformio.py; \
+  python3 get-platformio.py; \
+  rm get-platformio.py
 
 RUN ln -s ~/.platformio/penv/bin/platformio /usr/local/bin/platformio && \
   ln -s ~/.platformio/penv/bin/pio /usr/local/bin/pio && \
   ln -s ~/.platformio/penv/bin/piodebuggdb /usr/local/bin/piodebuggdb
 
-RUN mkdir /pio-ard-ci && cd /pio-ard-ci && \
-  pio project init -s && \
+RUN mkdir /platformio-ard-ci && cd /platformio-ard-ci && \
+  platformio project init -s && \
   echo                                  >>platformio.ini && \
   echo "[env]"                          >>platformio.ini && \
   echo "framework = arduino"            >>platformio.ini && \
@@ -53,10 +54,10 @@ RUN mkdir /pio-ard-ci && cd /pio-ard-ci && \
   echo "[env:nucleo_l552ze_q]"          >>platformio.ini && \
   echo "platform = ststm32"             >>platformio.ini && \
   echo "board = nucleo_l552ze_q"        >>platformio.ini && \
-  pio pkg install
+  platformio pkg install
 
-RUN mkdir /pio-idf-ci && cd /pio-idf-ci && \
-  pio project init -s && \
+RUN mkdir /platformio-idf-ci && cd /platformio-idf-ci && \
+  platformio project init -s && \
   echo                                  >>platformio.ini && \
   echo "[env:esp32-s2-saola-1]"         >>platformio.ini && \
   echo "framework = espidf"             >>platformio.ini && \
@@ -67,4 +68,4 @@ RUN mkdir /pio-idf-ci && cd /pio-idf-ci && \
   echo "framework = espidf"             >>platformio.ini && \
   echo "platform = espressif32"         >>platformio.ini && \
   echo "board = esp32-c3-devkitm-1"     >>platformio.ini && \
-  pio pkg install
+  platformio pkg install
diff --git a/.github/workflows/pio-builds.yml b/.github/workflows/platformio-builds.yml
similarity index 68%
rename from .github/workflows/pio-builds.yml
rename to .github/workflows/platformio-builds.yml
index 95f556b..cfde27c 100644
--- a/.github/workflows/pio-builds.yml
+++ b/.github/workflows/platformio-builds.yml
@@ -11,17 +11,17 @@ defaults:
   run:
     shell: bash
 jobs:
-  pio_info:
+  platformio_info:
     runs-on: ubuntu-latest
-    container: ghcr.io/pstolarz/pio-ci
+    container: ghcr.io/pstolarz/platformio-ci
     steps:
       - name: PlatformIO recent packages versions info
         run: |
-          cd /pio-ard-ci && sudo pio pkg list && sudo pio pkg outdated
-          cd /pio-idf-ci && sudo pio pkg list && sudo pio pkg outdated
-  pio_ard_build:
+          cd /platformio-ard-ci && sudo platformio pkg list && sudo platformio pkg outdated
+          cd /platformio-idf-ci && sudo platformio pkg list && sudo platformio pkg outdated
+  platformio_ard_build:
     runs-on: ubuntu-latest
-    container: ghcr.io/pstolarz/pio-ci
+    container: ghcr.io/pstolarz/platformio-ci
     strategy:
       matrix:
         plat:
@@ -45,14 +45,14 @@ jobs:
       - name: Build
         run: |
           repo_dir=$(pwd)
-          cd /pio-ard-ci
+          cd /platformio-ard-ci
           cp ${repo_dir}/examples/arduino/${{ matrix.example }}/${{ matrix.example }}.ino \
             src/${{ matrix.example }}.ino
-          sudo pio pkg install -l ${repo_dir}
-          sudo PLATFORMIO_BUILD_FLAGS="${BUILD_FLAGS}" pio run -e ${{ matrix.plat }}
-  pio_idf_build:
+          sudo platformio pkg install -l ${repo_dir}
+          sudo PLATFORMIO_BUILD_FLAGS="${BUILD_FLAGS}" platformio run -e ${{ matrix.plat }}
+  platformio_idf_build:
     runs-on: ubuntu-latest
-    container: ghcr.io/pstolarz/pio-ci
+    container: ghcr.io/pstolarz/platformio-ci
     strategy:
       matrix:
         plat:
@@ -73,8 +73,8 @@ jobs:
       - name: Build
         run: |
           repo_dir=$(pwd)
-          cd /pio-idf-ci
+          cd /platformio-idf-ci
           cp ${repo_dir}/examples/esp-idf/${{ matrix.example }}/main/${{ matrix.example }}.cpp \
             src/${{ matrix.example }}.cpp
-          sudo pio pkg install -l ${repo_dir}
-          sudo PLATFORMIO_BUILD_FLAGS="${BUILD_FLAGS}" pio run -e ${{ matrix.plat }}
+          sudo platformio pkg install -l ${repo_dir}
+          sudo PLATFORMIO_BUILD_FLAGS="${BUILD_FLAGS}" platformio run -e ${{ matrix.plat }}
diff --git a/README.md b/README.md
index dcd8562..0b18894 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,7 @@
-[![Stand With Ukraine](https://raw.githubusercontent.com/vshymanskyy/StandWithUkraine/main/banner2-direct.svg)](https://vshymanskyy.github.io/StandWithUkraine/)
-
 # OneWireNg
 
 [![Arduino builds](https://github.com/pstolarz/OneWireNg/workflows/Arduino%20builds/badge.svg?branch=master)](https://github.com/pstolarz/OneWireNg/actions/workflows/ard-builds.yml)
-[![PlatformIO builds](https://github.com/pstolarz/OneWireNg/workflows/PlatformIO%20builds/badge.svg?branch=master)](https://github.com/pstolarz/OneWireNg/actions/workflows/pio-builds.yml)
+[![PlatformIO builds](https://github.com/pstolarz/OneWireNg/workflows/PlatformIO%20builds/badge.svg?branch=master)](https://github.com/pstolarz/OneWireNg/actions/workflows/platformio-builds.yml)
 [![ESP-IDF builds](https://github.com/pstolarz/OneWireNg/workflows/ESP-IDF%20builds/badge.svg?branch=master)](https://github.com/pstolarz/OneWireNg/actions/workflows/espidf-builds.yml)
 [![Pico SDK builds](https://github.com/pstolarz/OneWireNg/workflows/Pico%20SDK%20builds/badge.svg?branch=master)](https://github.com/pstolarz/OneWireNg/actions/workflows/picosdk-builds.yml)
 [![Mbed OS builds](https://github.com/pstolarz/OneWireNg/workflows/Mbed%20OS%20builds/badge.svg?branch=master)](https://github.com/pstolarz/OneWireNg/actions/workflows/mbedos-builds.yml)