diff --git a/install.sh b/install.sh
index 0d9c04ce..05ead6ca 100755
--- a/install.sh
+++ b/install.sh
@@ -52,7 +52,7 @@ else
 fi
 
 # install pip/invoke to run install with provided options
-python3 -m pip install --user pipx
+python3 -m pip install --user pipx==0.16.4
 python3 -m pipx ensurepath
 export PATH=$PATH:~/.local/bin
 pipx install invoke