diff --git a/.github/workflows/postgresql-11-pmm.yaml b/.github/workflows/postgresql-11-pmm.yaml
index d33e5c1..1791955 100644
--- a/.github/workflows/postgresql-11-pmm.yaml
+++ b/.github/workflows/postgresql-11-pmm.yaml
@@ -8,7 +8,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Clone QA Integration repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: 'Percona-Lab/qa-integration'
           ref: 'main'
@@ -16,9 +16,17 @@ jobs:
       # print branch and Repo name
       - name: Get branch and Repo Name
         run: echo 'The branch and Repo Name is' ${{ github.head_ref }} ${{ github.actor }}/pg_stat_monitor
+
+      - name: "Set TARGET_BRANCH variable for a PR run"
+        if: github.event_name == 'pull_request'
+        run: echo "TARGET_BRANCH=${{ github.event.pull_request.base.ref }}" >> $GITHUB_ENV
+
+      - name: "Set TARGET_BRANCH variable for a PUSH run"
+        if: github.event_name == 'push'
+        run: echo "TARGET_BRANCH=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
       
       - name: Run PMM & PGSM Setup, E2E Tests
-        run: bash -xe ./pmm_pgsm_setup/pmm_pgsm_setup.sh --pgsql-version=11 --pgstat-monitor-branch=REL_1_1_1
+        run: bash -xe ./pmm_pgsm_setup/pmm_pgsm_setup.sh --pgsql-version=11 --pgstat-monitor-branch=${{ env.TARGET_BRANCH }}
 
       - name: Get PMM-Agent Logs from the Container
         if: success() || failure()    # run this step even if previous step failed
diff --git a/.github/workflows/postgresql-12-pmm.yaml b/.github/workflows/postgresql-12-pmm.yaml
index 60cb6e4..96bf832 100644
--- a/.github/workflows/postgresql-12-pmm.yaml
+++ b/.github/workflows/postgresql-12-pmm.yaml
@@ -8,7 +8,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Clone QA Integration repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: 'Percona-Lab/qa-integration'
           ref: 'main'
@@ -16,9 +16,17 @@ jobs:
       # print branch and Repo name
       - name: Get branch and Repo Name
         run: echo 'The branch and Repo Name is' ${{ github.head_ref }} ${{ github.actor }}/pg_stat_monitor
+
+      - name: "Set TARGET_BRANCH variable for a PR run"
+        if: github.event_name == 'pull_request'
+        run: echo "TARGET_BRANCH=${{ github.event.pull_request.base.ref }}" >> $GITHUB_ENV
+
+      - name: "Set TARGET_BRANCH variable for a PUSH run"
+        if: github.event_name == 'push'
+        run: echo "TARGET_BRANCH=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
       
       - name: Run PMM & PGSM Setup, E2E Tests
-        run: bash -xe ./pmm_pgsm_setup/pmm_pgsm_setup.sh --pgsql-version=12 --pgstat-monitor-branch=REL_1_1_1
+        run: bash -xe ./pmm_pgsm_setup/pmm_pgsm_setup.sh --pgsql-version=12 --pgstat-monitor-branch=${{ env.TARGET_BRANCH }}
 
       - name: Get PMM-Agent Logs from the Container
         if: success() || failure()    # run this step even if previous step failed
diff --git a/.github/workflows/postgresql-13-pmm.yaml b/.github/workflows/postgresql-13-pmm.yaml
index 93c5cd0..5d6f108 100644
--- a/.github/workflows/postgresql-13-pmm.yaml
+++ b/.github/workflows/postgresql-13-pmm.yaml
@@ -8,7 +8,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Clone QA Integration repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: 'Percona-Lab/qa-integration'
           ref: 'main'
@@ -17,8 +17,16 @@ jobs:
       - name: Get branch and Repo Name
         run: echo 'The branch and Repo Name is' ${{ github.head_ref }} ${{ github.actor }}/pg_stat_monitor
 
+      - name: "Set TARGET_BRANCH variable for a PR run"
+        if: github.event_name == 'pull_request'
+        run: echo "TARGET_BRANCH=${{ github.event.pull_request.base.ref }}" >> $GITHUB_ENV
+
+      - name: "Set TARGET_BRANCH variable for a PUSH run"
+        if: github.event_name == 'push'
+        run: echo "TARGET_BRANCH=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+
       - name: Run PMM & PGSM Setup, E2E Tests
-        run: bash -xe ./pmm_pgsm_setup/pmm_pgsm_setup.sh --pgsql-version=13 --pgstat-monitor-branch=REL_1_1_1
+        run: bash -xe ./pmm_pgsm_setup/pmm_pgsm_setup.sh --pgsql-version=13 --pgstat-monitor-branch=${{ env.TARGET_BRANCH }}
 
       - name: Get PMM-Agent Logs from the Container
         if: success() || failure()    # run this step even if previous step failed
diff --git a/.github/workflows/postgresql-14-pmm.yaml b/.github/workflows/postgresql-14-pmm.yaml
index 20d0d11..1f83111 100644
--- a/.github/workflows/postgresql-14-pmm.yaml
+++ b/.github/workflows/postgresql-14-pmm.yaml
@@ -8,7 +8,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Clone QA Integration repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: 'Percona-Lab/qa-integration'
           ref: 'main'
@@ -17,8 +17,16 @@ jobs:
       - name: Get branch and Repo Name
         run: echo 'The branch and Repo Name is' ${{ github.head_ref }} ${{ github.actor }}/pg_stat_monitor
 
+      - name: "Set TARGET_BRANCH variable for a PR run"
+        if: github.event_name == 'pull_request'
+        run: echo "TARGET_BRANCH=${{ github.event.pull_request.base.ref }}" >> $GITHUB_ENV
+
+      - name: "Set TARGET_BRANCH variable for a PUSH run"
+        if: github.event_name == 'push'
+        run: echo "TARGET_BRANCH=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+
       - name: Run PMM & PGSM Setup, E2E Tests
-        run: bash -xe ./pmm_pgsm_setup/pmm_pgsm_setup.sh --pgsql-version=14 --pgstat-monitor-branch=REL_1_1_1
+        run: bash -xe ./pmm_pgsm_setup/pmm_pgsm_setup.sh --pgsql-version=14 --pgstat-monitor-branch=${{ env.TARGET_BRANCH }}
 
       - name: Get PMM-Agent Logs from the Container
         if: success() || failure()    # run this step even if previous step failed
diff --git a/.github/workflows/postgresql-15-pmm.yaml b/.github/workflows/postgresql-15-pmm.yaml
index 073fa1b..40e4930 100644
--- a/.github/workflows/postgresql-15-pmm.yaml
+++ b/.github/workflows/postgresql-15-pmm.yaml
@@ -8,7 +8,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Clone QA Integration repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: 'Percona-Lab/qa-integration'
           ref: 'main'
@@ -17,8 +17,16 @@ jobs:
       - name: Get branch and Repo Name
         run: echo 'The branch and Repo Name is' ${{ github.head_ref }} ${{ github.actor }}/pg_stat_monitor
 
+      - name: "Set TARGET_BRANCH variable for a PR run"
+        if: github.event_name == 'pull_request'
+        run: echo "TARGET_BRANCH=${{ github.event.pull_request.base.ref }}" >> $GITHUB_ENV
+
+      - name: "Set TARGET_BRANCH variable for a PUSH run"
+        if: github.event_name == 'push'
+        run: echo "TARGET_BRANCH=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+
       - name: Run PMM & PGSM Setup, E2E Tests
-        run: bash -xe ./pmm_pgsm_setup/pmm_pgsm_setup.sh --pgsql-version=15 --pgstat-monitor-branch=REL_1_1_1
+        run: bash -xe ./pmm_pgsm_setup/pmm_pgsm_setup.sh --pgsql-version=15 --pgstat-monitor-branch=${{ env.TARGET_BRANCH }}
 
       - name: Get PMM-Agent Logs from the Container
         if: success() || failure()    # run this step even if previous step failed