diff --git a/.github/workflows/Dockerfile.buster b/.github/workflows/Dockerfile.buster
index 0760061761..9681a8bd07 100644
--- a/.github/workflows/Dockerfile.buster
+++ b/.github/workflows/Dockerfile.buster
@@ -3,9 +3,13 @@ ARG DEBIAN_FRONTEND=noninteractive
 
 COPY tests/python/requirements.txt /tmp/
 
+RUN echo "deb http://archive.debian.org/debian buster main" > /etc/apt/sources.list && \
+    echo "deb http://archive.debian.org/debian-security buster/updates main" >> /etc/apt/sources.list && \
+    echo "deb http://archive.debian.org/debian buster-updates main" >> /etc/apt/sources.list && \
+    echo "deb http://archive.debian.org/debian buster-backports main" >> /etc/apt/sources.list
+
 RUN apt-get update && \
     apt-get install -y --no-install-recommends apt-utils ca-certificates gnupg wget lsb-release && \
-    echo "deb https://archive.debian.org/debian buster-backports main" >> /etc/apt/sources.list && \
     wget -qO /etc/apt/trusted.gpg.d/vkpartner.asc https://artifactory-external.vkpartner.ru/artifactory/api/gpg/key/public && \
     echo "deb https://artifactory-external.vkpartner.ru/artifactory/kphp buster main" >> /etc/apt/sources.list && \
     wget -qO - https://debian.octopuce.fr/snapshots/sury-php/buster-latest/apt.gpg | apt-key add - && \
diff --git a/.github/workflows/pr-code-format.yml b/.github/workflows/pr-code-format.yml
index f12b534178..c4a29dc37c 100644
--- a/.github/workflows/pr-code-format.yml
+++ b/.github/workflows/pr-code-format.yml
@@ -20,7 +20,7 @@ jobs:
           fetch-depth: 0
 
       - name: Install clang-format
-        run: sudo apt install -y clang-format-18
+        run: sudo apt-get install -y clang-format-18
 
       - name: Run clang-format on changed files
         run: |
diff --git a/docs/kphp-internals/developing-and-extending-kphp/writing-and-running-tests.md b/docs/kphp-internals/developing-and-extending-kphp/writing-and-running-tests.md
index 13bcd48286..51718f621f 100644
--- a/docs/kphp-internals/developing-and-extending-kphp/writing-and-running-tests.md
+++ b/docs/kphp-internals/developing-and-extending-kphp/writing-and-running-tests.md
@@ -31,7 +31,7 @@ They perform complex scenarios like: compile and start HTTP server, send request
 
 Before running them, you should once perform a setup:
 ```bash
-pip3 install --user -r PHP/tests/python/requirements.txt
+pip3 install --user -r tests/python/requirements.txt
 ```
 
 To run, use just one-line command:
diff --git a/tests/python/requirements.txt b/tests/python/requirements.txt
index 78fcf4b961..13e0560c01 100644
--- a/tests/python/requirements.txt
+++ b/tests/python/requirements.txt
@@ -6,6 +6,7 @@ requests==2.31.0
 urllib3==1.26.12
 requests-toolbelt==0.9.1
 pytest==7.3.1
+pytest-durations==1.2.0
 pytest-mysql==2.3.1
 pytest-postgresql==4.1.1
 psycopg==3.1.9
diff --git a/tests/python/tests/pytest.ini b/tests/python/tests/pytest.ini
index 8d203247dc..9954733287 100644
--- a/tests/python/tests/pytest.ini
+++ b/tests/python/tests/pytest.ini
@@ -1,4 +1,5 @@
 [pytest]
+addopts = -v
 markers =
     k2_skip: mark a test as k2 skip
     k2_skip_suite: mark test suite as k2 skip