diff --git a/requirements-dev.txt b/requirements-dev.txt
index 64fe446..954b974 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -44,7 +44,7 @@
     #   -r https://osm.etsi.org/gitweb/?p=osm/N2VC.git;a=blob_plain;f=requirements.txt;hb=master
     #   cryptography
     #   pynacl
-charset-normalizer==2.1.1
+charset-normalizer==3.1.0
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/N2VC.git;a=blob_plain;f=requirements.txt;hb=master
     #   requests
diff --git a/requirements-test.in b/requirements-test.in
index 394c6c3..dab3c72 100644
--- a/requirements-test.in
+++ b/requirements-test.in
@@ -20,7 +20,7 @@
 # contact: helena.mcgough@intel.com or adrian.hoban@intel.com
 ##
 certifi
-charset-normalizer<3 # Required by aiohttp in LCM via N2VC
+charset-normalizer
 coverage
 mock
 nose2
diff --git a/requirements-test.txt b/requirements-test.txt
index 3cf891d..f71d256 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -18,7 +18,7 @@
     # via
     #   -r requirements-test.in
     #   requests
-charset-normalizer==2.1.1
+charset-normalizer==3.1.0
     # via
     #   -r requirements-test.in
     #   requests