diff --git a/.github/workflows/e2e_archgw.yml b/.github/workflows/e2e_archgw.yml
index 1703b0dd..46643de1 100644
--- a/.github/workflows/e2e_archgw.yml
+++ b/.github/workflows/e2e_archgw.yml
@@ -39,6 +39,7 @@ jobs:
 
       - name: install poetry
         run: |
+          export POETRY_VERSION=1.8.5
           curl -sSL https://install.python-poetry.org | python3 -
           export PATH="$HOME/.local/bin:$PATH"
 
diff --git a/.github/workflows/e2e_model_server.yml b/.github/workflows/e2e_model_server.yml
index 61ea00a0..6d749942 100644
--- a/.github/workflows/e2e_model_server.yml
+++ b/.github/workflows/e2e_model_server.yml
@@ -24,6 +24,7 @@ jobs:
 
       - name: install poetry
         run: |
+          export POETRY_VERSION=1.8.5
           curl -sSL https://install.python-poetry.org | python3 -
           export PATH="$HOME/.local/bin:$PATH"
 
diff --git a/.github/workflows/e2e_test_demos.yml b/.github/workflows/e2e_test_demos.yml
index dec1576f..dc4255c2 100644
--- a/.github/workflows/e2e_test_demos.yml
+++ b/.github/workflows/e2e_test_demos.yml
@@ -25,6 +25,7 @@ jobs:
 
       - name: install poetry
         run: |
+          export POETRY_VERSION=1.8.5
           curl -sSL https://install.python-poetry.org | python3 -
 
       - name: setup python venv
diff --git a/.github/workflows/e2e_tests.yml b/.github/workflows/e2e_tests.yml
index d8c384b9..370988fe 100644
--- a/.github/workflows/e2e_tests.yml
+++ b/.github/workflows/e2e_tests.yml
@@ -21,6 +21,7 @@ jobs:
 
       - name: Install Poetry
         run: |
+          export POETRY_VERSION=1.8.5
           curl -sSL https://install.python-poetry.org | python3 -
           export PATH="$HOME/.local/bin:$PATH"
 
diff --git a/.github/workflows/model-server-tests.yml b/.github/workflows/model-server-tests.yml
index d2922ae6..f2b54787 100644
--- a/.github/workflows/model-server-tests.yml
+++ b/.github/workflows/model-server-tests.yml
@@ -26,6 +26,7 @@ jobs:
       # Step 3: Install Poetry
       - name: Install Poetry
         run: |
+          export POETRY_VERSION=1.8.5
           curl -sSL https://install.python-poetry.org | python3 -
           export PATH="$HOME/.local/bin:$PATH"