diff --git a/snap/local/compile_native_wheels.sh b/snap/local/compile_native_wheels.sh
index cb6495410..7c714f51c 100755
--- a/snap/local/compile_native_wheels.sh
+++ b/snap/local/compile_native_wheels.sh
@@ -7,7 +7,7 @@ set -ex
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 TARGET_ARCHS="i386 arm64 armhf"
 
-rm -f "${DIR}/packages/"*
+rm -rf "${DIR}/packages/"*
 
 # shellcheck source=common.sh
 source "${DIR}/common.sh"
diff --git a/snap/local/packages/cffi/cffi-1.14.0-cp36-cp36m-linux_aarch64.whl b/snap/local/packages/cffi/cffi-1.14.0-cp36-cp36m-linux_aarch64.whl
index b8c64395c..36dfa9ade 100644
Binary files a/snap/local/packages/cffi/cffi-1.14.0-cp36-cp36m-linux_aarch64.whl and b/snap/local/packages/cffi/cffi-1.14.0-cp36-cp36m-linux_aarch64.whl differ
diff --git a/snap/local/packages/cffi/cffi-1.14.0-cp36-cp36m-linux_armv7l.whl b/snap/local/packages/cffi/cffi-1.14.0-cp36-cp36m-linux_armv7l.whl
index fdf63eb17..26f107cc9 100644
Binary files a/snap/local/packages/cffi/cffi-1.14.0-cp36-cp36m-linux_armv7l.whl and b/snap/local/packages/cffi/cffi-1.14.0-cp36-cp36m-linux_armv7l.whl differ
diff --git a/snap/local/packages/cryptography/cryptography-2.8-cp36-cp36m-linux_aarch64.whl b/snap/local/packages/cryptography/cryptography-2.8-cp36-cp36m-linux_aarch64.whl
index b84c31933..3a969945a 100644
Binary files a/snap/local/packages/cryptography/cryptography-2.8-cp36-cp36m-linux_aarch64.whl and b/snap/local/packages/cryptography/cryptography-2.8-cp36-cp36m-linux_aarch64.whl differ
diff --git a/snap/local/packages/cryptography/cryptography-2.8-cp36-cp36m-linux_armv7l.whl b/snap/local/packages/cryptography/cryptography-2.8-cp36-cp36m-linux_armv7l.whl
index 5154f0d8a..ea49f5dab 100644
Binary files a/snap/local/packages/cryptography/cryptography-2.8-cp36-cp36m-linux_armv7l.whl and b/snap/local/packages/cryptography/cryptography-2.8-cp36-cp36m-linux_armv7l.whl differ
diff --git a/snap/local/packages/cryptography/cryptography-2.8-cp36-cp36m-linux_i686.whl b/snap/local/packages/cryptography/cryptography-2.8-cp36-cp36m-linux_i686.whl
index a77bafa14..18d7e6fd7 100644
Binary files a/snap/local/packages/cryptography/cryptography-2.8-cp36-cp36m-linux_i686.whl and b/snap/local/packages/cryptography/cryptography-2.8-cp36-cp36m-linux_i686.whl differ