diff --git a/Dockerfile b/Dockerfile
index 59e540f..ec9472e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,7 +21,8 @@ RUN add-apt-repository ppa:deadsnakes/ppa -y
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ${PYTHON_VERSION} \
     python3-pip
-RUN ${PYTHON_VERSION} -m pip install --no-cache-dir --upgrade pip
+# TODO(balint) this seems to break later pip commands: "/usr/bin/pip not found"
+# RUN ${PYTHON_VERSION} -m pip install --no-cache-dir --upgrade pip
 RUN apt-get update && apt-get install -y --no-install-recommends \
     python3-distutils \
     python3-setuptools
@@ -29,22 +30,22 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 # Clean up apt-get
 RUN apt-get clean && rm -rf /var/lib/apt/lists/*
 
-# Install reviewdog, flake8, pylint and flakeheaven, then plugins for flakeheaven
+# Install flake8, pylint and flakeheaven, then plugins for flakeheaven
 RUN ${PYTHON_VERSION} -m pip install --no-cache-dir \
-    flake8 \
-    flakeheaven \
-    pylint \
-    flake8-bugbear \
-    flake8-comprehensions \
-    flake8-return \
-    flake8-simplify \
-    flake8-spellcheck \
-    flake8-functions \
-    wemake-python-styleguide \
-    flake8-markdown \
-    flake8-docstrings \
-    flake8-codes \
-    flake8-import-order
+    flake8==4.0.1 \
+    pylint>=2.15.0 \
+    flakeheaven>=3.0.0 \
+    flake8-bugbear>=22.7.1 \
+    flake8-comprehensions>=3.10.0 \
+    flake8-return>=1.1.3 \
+    flake8-simplify>=0.19.3 \
+    flake8-spellcheck>=0.28.0 \
+    flake8-functions>=0.0.7 \
+    wemake-python-styleguide>=0.16.1 \
+    flake8-markdown>=v0.3.0 \
+    flake8-docstrings>=1.6.0 \
+    flake8-codes>=0.2.2 \
+    flake8-import-order>=0.18.1
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 RUN wget -O - -q https://raw.githubusercontent.com/reviewdog/reviewdog/master/install.sh \
diff --git a/Dockerfile.testing b/Dockerfile.testing
index 09e93ba..6a58ead 100644
--- a/Dockerfile.testing
+++ b/Dockerfile.testing
@@ -21,7 +21,8 @@ RUN add-apt-repository ppa:deadsnakes/ppa -y
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ${PYTHON_VERSION} \
     python3-pip
-RUN ${PYTHON_VERSION} -m pip install --no-cache-dir --upgrade pip
+# TODO(balint) this seems to break later pip commands: "/usr/bin/pip not found"
+# RUN ${PYTHON_VERSION} -m pip install --no-cache-dir --upgrade pip
 RUN apt-get update && apt-get install -y --no-install-recommends \
     python3-distutils \
     python3-setuptools
@@ -29,23 +30,23 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 # Clean up apt-get
 RUN apt-get clean && rm -rf /var/lib/apt/lists/*
 
-# Install reviewdog, flake8, pylint and flakeheaven, then plugins for flakeheaven
-
+# Install flake8, pylint and flakeheaven, then plugins for flakeheaven
 RUN ${PYTHON_VERSION} -m pip install --no-cache-dir \
-    flake8 \
-    flakeheaven \
-    pylint \
-    flake8-bugbear \
-    flake8-comprehensions \
-    flake8-return \
-    flake8-simplify \
-    flake8-spellcheck \
-    flake8-functions \
-    wemake-python-styleguide \
-    flake8-markdown \
-    flake8-docstrings \
-    flake8-codes \
-    flake8-import-order
+    flake8==4.0.1 \
+    pylint>=2.15.0 \
+    flakeheaven>=3.0.0 \
+    flake8-bugbear>=22.7.1 \
+    flake8-comprehensions>=3.10.0 \
+    flake8-return>=1.1.3 \
+    flake8-simplify>=0.19.3 \
+    flake8-spellcheck>=0.28.0 \
+    flake8-functions>=0.0.7 \
+    wemake-python-styleguide>=0.16.1 \
+    flake8-markdown>=v0.3.0 \
+    flake8-docstrings>=1.6.0 \
+    flake8-codes>=0.2.2 \
+    flake8-import-order>=0.18.1
+
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 RUN wget -O - -q https://raw.githubusercontent.com/reviewdog/reviewdog/master/install.sh \
diff --git a/entrypoint.sh b/entrypoint.sh
index 8913378..47d3ec7 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -8,7 +8,6 @@ if [ -n "${GITHUB_WORKSPACE}" ]; then
 fi
 
 export PY_EXE="${INPUT_PYTHON_VERSION}"
-export INPUT_FILTER_MODE=diff_context
 export REVIEWDOG_GITHUB_API_TOKEN="${INPUT_GITHUB_TOKEN}"
 TMPFILE=$(mktemp)
 export TMPFILE