diff --git a/hooks/install b/hooks/install
index 9a2f9353..e8ad54b4 100755
--- a/hooks/install
+++ b/hooks/install
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash -e
 # ensure that the python3 bits are installed, whichever version of ubunut
 # is being installed.
 
diff --git a/hooks/install_deps b/hooks/install_deps
index bb600820..c480f29e 100755
--- a/hooks/install_deps
+++ b/hooks/install_deps
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash -e
 # Wrapper to ensure that python dependencies are installed before we get into
 # the python part of the hook execution
 
diff --git a/hooks/upgrade-charm b/hooks/upgrade-charm
index 6f3d75b4..a454f76f 100755
--- a/hooks/upgrade-charm
+++ b/hooks/upgrade-charm
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash -e
 # Wrapper to ensure that old python bytecode isn't hanging around
 # after we upgrade the charm with newer libraries
 rm -rf **/*.pyc