diff --git a/.github/workflows/update_protobufs.yml b/.github/workflows/update_protobufs.yml
index 86049b7..38ff1d3 100644
--- a/.github/workflows/update_protobufs.yml
+++ b/.github/workflows/update_protobufs.yml
@@ -22,6 +22,11 @@ jobs:
           tar xvzf nanopb-0.4.6-linux-x86.tar.gz
           mv nanopb-0.4.6-linux-x86 nanopb-0.4.6
 
+      - name: Install poetry (needed by regen-protobufs.sh)
+        run: |
+          python -m pip install --upgrade pip
+          pip3 install poetry
+
       - name: Re-generate protocol buffers
         run: |
           ./bin/regen-protobufs.sh
diff --git a/bin/regen-protobufs.sh b/bin/regen-protobufs.sh
index 1f2f23c..ac56608 100755
--- a/bin/regen-protobufs.sh
+++ b/bin/regen-protobufs.sh
@@ -4,8 +4,11 @@
 #gsed -i 's/import "\//import ".\//g' ./protobufs/meshtastic/*
 #gsed -i 's/package meshtastic;//g' ./protobufs/meshtastic/*
 
-./nanopb-0.4.7/generator-bin/protoc -I=protobufs --python_out ./ --mypy_out ./ ./protobufs/meshtastic/*.proto
-./nanopb-0.4.7/generator-bin/protoc -I=protobufs --python_out ./meshtastic/ --mypy_out ./meshtastic/ ./protobufs/nanopb.proto
+# protoc looks for mypy plugin in the python path
+source $(poetry env info --path)/bin/activate
+
+./nanopb-0.4.6/generator-bin/protoc -I=protobufs --python_out ./ --mypy_out ./ ./protobufs/meshtastic/*.proto
+./nanopb-0.4.6/generator-bin/protoc -I=protobufs --python_out ./meshtastic/ --mypy_out ./meshtastic/ ./protobufs/nanopb.proto
 
 # workaround for import bug in protoc https://github.com/protocolbuffers/protobuf/issues/1491#issuecomment-690618628