diff --git a/examples/apt/preferences.d/boinc-packages-pinning b/examples/apt/preferences.d/boinc-packages-pinning
new file mode 100644
index 0000000..c1b9504
--- /dev/null
+++ b/examples/apt/preferences.d/boinc-packages-pinning
@@ -0,0 +1,3 @@
+Package: boinc boinc-app-eah-brp boinc-client boinc-client-nvidia-cuda boinc-client-opencl boinc-dev boinc-manager boinc-screensaver boinctui libboinc-app-dev libboinc-app7 libboinc7
+Pin: release a=testing
+Pin-Priority: 991
diff --git a/examples/apt/preferences.d/firefox-pinning b/examples/apt/preferences.d/firefox-package-pinning
similarity index 69%
rename from examples/apt/preferences.d/firefox-pinning
rename to examples/apt/preferences.d/firefox-package-pinning
index 5d7c977..9ae253f 100644
--- a/examples/apt/preferences.d/firefox-pinning
+++ b/examples/apt/preferences.d/firefox-package-pinning
@@ -1,3 +1,3 @@
 Package: firefox
 Pin: release a=unstable
-Pin-Priority: 990
+Pin-Priority: 991