diff --git a/.github/workflows/ci-test.yml b/.github/workflows/ci-test.yml
index 9aa74bc9..bfcf1301 100644
--- a/.github/workflows/ci-test.yml
+++ b/.github/workflows/ci-test.yml
@@ -44,9 +44,7 @@ jobs:
       - name: install gnuradio
         run: |
           sudo add-apt-repository ppa:gnuradio/gnuradio-releases && sudo apt-get update && \
-            sudo apt-get install -y --no-install-recommends gnuradio-dev python3-packaging && \
-            sudo pip3 install -U pyserial requests numpy scipy && \
-            sudo dpkg -r --force-depends python3-numpy python3-requests
+            sudo apt-get install -y --no-install-recommends gnuradio-dev python3-packaging
       - name: Install dependencies
         run: |
           for repodir in flatbuffers json libsigmf gr-iqtlabs ; do \
@@ -58,7 +56,9 @@ jobs:
           poetry install --no-interaction -C gamutrflib && \
           poetry install --no-interaction -C gamutrfwaterfall && \
           poetry install --no-interaction -C utils/mavlink-api && \
-          poetry install --no-interaction
+          poetry install --no-interaction && \
+          sudo pip3 install -U pyserial requests && \
+          sudo dpkg -r --force-depends python3-numpy python3-requests
       - name: Code Quality - yamllint
         run: |
           yamllint -s *yml