diff --git a/.github/workflows/iroha2-dev-pr.yml b/.github/workflows/iroha2-dev-pr.yml
index 07d2bbd48b..a6d4f98ed6 100644
--- a/.github/workflows/iroha2-dev-pr.yml
+++ b/.github/workflows/iroha2-dev-pr.yml
@@ -20,9 +20,6 @@ env:
   CARGO_TERM_COLOR: always
   IROHA_CLI_DIR: "/__w/${{ github.event.repository.name }}/${{ github.event.repository.name }}/test"
   DOCKER_COMPOSE_PATH: defaults
-  TEST_DIR: "tmp/test"
-  IROHA_BIN: "iroha"
-  IROHA_CONTAINER: "defaults-irohad0-1"
 
 jobs:
   consistency:
@@ -238,6 +235,12 @@ jobs:
     needs: build_executor
     runs-on: [self-hosted, Linux, iroha2]
     timeout-minutes: 60
+    env:
+      PYTHON_VERSION: "3.11"
+      POETRY_PATH: "/root/.local/bin/poetry"
+      TEST_DIR: "tmp/test"
+      IROHA_BIN: "iroha"
+      IROHA_CONTAINER: "defaults-irohad0-1"
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -246,12 +249,12 @@ jobs:
         with:
           name: executor.wasm
           path: ${{ env.DOCKER_COMPOSE_PATH }}
-      - name: Install Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '>=3.11'
-      - name: Install Poetry
-        uses: snok/install-poetry@v1
+      - name: Install Python and Poetry
+        run: |
+          yum install -y python${{ env.PYTHON_VERSION }} python${{ env.PYTHON_VERSION }}-devel
+          curl -sSL https://install.python-poetry.org | python3 -
+          echo 'export PATH="${{ env.POETRY_PATH }}:$PATH"' >> /etc/profile
+          source /etc/profile
       - name: Set up Docker buildx
         id: buildx
         uses: docker/setup-buildx-action@v3
@@ -281,10 +284,10 @@ jobs:
         run: docker compose -f ${{ env.DOCKER_COMPOSE_PATH }}/docker-compose.yml up --wait || exit 1
       - name: Install Torii pytest dependencies
         working-directory: pytests/iroha_torii_tests
-        run: poetry install
+        run: ${{ env.POETRY_PATH }} install
       - name: Run Torii pytests
         working-directory: pytests/iroha_torii_tests
-        run: poetry run pytest
+        run: ${{ env.POETRY_PATH }} run pytest
       - name: Copy client binary from Iroha container
         if: always()
         run: |
@@ -294,7 +297,7 @@ jobs:
           chmod +x ${{ env.TEST_DIR }}/${{ env.IROHA_BIN }}
       - name: Install client pytest dependencies
         working-directory: pytests/iroha_cli_tests
-        run: poetry install
+        run: ${{ env.POETRY_PATH }} install
       - name: Run client pytests
         uses: nick-fields/retry@v3
         env:
@@ -306,7 +309,7 @@ jobs:
           max_attempts: 5
           command: |
             cd pytests/iroha_cli_tests
-            poetry run pytest
+            ${{ env.POETRY_PATH }} run pytest
           on_retry_command: |
             docker compose -f ${{ env.DOCKER_COMPOSE_PATH }}/docker-compose.yml down
             docker compose -f ${{ env.DOCKER_COMPOSE_PATH }}/docker-compose.local.yml up --wait || exit 1