diff --git a/screwdriver.yaml b/screwdriver.yaml
index 4c80b946b..142fb2e9e 100644
--- a/screwdriver.yaml
+++ b/screwdriver.yaml
@@ -12,7 +12,7 @@ shared:
         dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
         dnf -y install docker-ce protobuf-compiler protobuf-devel python3 python3-pip python3-devel --nobest
         python3 -m pip install --upgrade pip
-        python3 -m pip install -qqq -r test/requirements.txt --user
+        python3 -m pip install --ignore-installed -qqq -r test/requirements.txt --user
         python3 -m pip install --upgrade -qqq pytest nbmake onnx onnxruntime torch numpy transformers
         python3 -m pip install --upgrade -qqq pytest nbmake onnx onnxruntime torch numpy transformers --user
         VESPA_CLI_VERSION=$(curl -fsSL https://api.github.com/repos/vespa-engine/vespa/releases/latest | grep -Po '"tag_name": "v\K.*?(?=")') && \