Erlang/OTP 19.2.1

Makefile

@@ -11,7 +11,7 @@ COMPILE_FIRST = cowboy_middleware cowboy_stream cowboy_sub_protocol
 PLT_APPS = public_key ssl
 CT_OPTS += -ct_hooks cowboy_ct_hook [] # -boot start_sasl
 
-CI_OTP ?= OTP-18.0.3 OTP-18.1.5 OTP-18.2.4.1 OTP-18.3.4.4 OTP-19.0.7 OTP-19.1.6 OTP-19.2
+CI_OTP ?= OTP-18.0.3 OTP-18.1.5 OTP-18.2.4.1 OTP-18.3.4.4 OTP-19.0.7 OTP-19.1.6 OTP-19.2.1
 CI_HIPE ?= $(lastword $(CI_OTP))
 CI_ERLLVM ?= $(CI_HIPE)