diff --git a/.github/workflows/fp-release.yml b/.github/workflows/fp-release.yml
index b5f7de2..0fcb50b 100644
--- a/.github/workflows/fp-release.yml
+++ b/.github/workflows/fp-release.yml
@@ -25,6 +25,10 @@ jobs:
         run: |
           cp fp_tox.ini tox.ini
 
+      - name: Insert netaddr into execution-environment.yml
+        run: |
+          awk '/python: \|$/{print;print "  netaddr";next}1' execution-environment.yml > temp.yml && mv temp.yml execution-environment.yml
+
       - name: Build image
         env:
           DOCKER_BUILDKIT: 1
diff --git a/fp_tox.ini b/fp_tox.ini
index f38b7f2..1556fe3 100644
--- a/fp_tox.ini
+++ b/fp_tox.ini
@@ -5,9 +5,7 @@ skipsdist = True
 [testenv]
 basepython = python3
 install_command = pip install {opts} {packages}
-deps = 
-    -r{toxinidir}/requirements.txt
-    netaddr
+deps = -r{toxinidir}/requirements.txt
 
 [testenv:podman]
 passenv = HOME