Update to have temporal in common

Change-Id: Ibbcb4ea303902fac63b0017116898f47deb5765e
Signed-off-by: Mark Beierl <mark.beierl@canonical.com>
diff --git a/requirements.in b/requirements.in
index 39e61db..9ce5e5a 100644
--- a/requirements.in
+++ b/requirements.in
@@ -21,7 +21,7 @@
 aiokafka
 certifi
 cffi
-charset-normalizer<3 # Required by aiohttp in LCM via N2VC
+charset-normalizer<4 # Required by aiohttp in LCM via N2VC
 cryptography
 gnocchiclient
 humanfriendly