diff --git a/Project.toml b/Project.toml
index 8cc52d0..2b95553 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,14 +1,14 @@
 name = "SMARTBackendServices"
 uuid = "78af60b6-7677-4c75-8291-bd270d1b4390"
 authors = ["Dilum Aluthge", "contributors"]
-version = "1.0.1"
+version = "2.0.0"
 
 [deps]
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 HTTP = "cd3eb016-35fb-5094-929b-558a96fad6f3"
 HealthBase = "94e1309d-ccf4-42de-905f-515f1d7b1cae"
 JSON3 = "0f8b85d8-7281-11e9-16c2-39a750bddbf1"
-JSONWebTokens = "9b8beb19-0777-58c6-920b-28f749fee4d3"
+JWTs = "d850fbd6-035d-5a70-a269-1ca2e636ac6c"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 TimeZones = "f269a46b-ccf7-5d73-abea-4c690281aa53"
 URIs = "5c2747f8-b7ea-4ff2-ba2e-563bfd36b1d4"
@@ -17,14 +17,14 @@ URIs = "5c2747f8-b7ea-4ff2-ba2e-563bfd36b1d4"
 HTTP = "0.9.3"
 HealthBase = "1.0.1"
 JSON3 = "1.5.1"
-JSONWebTokens = "0.3.4, 1"
+JWTs = "0.2.2"
 TimeZones = "1.5.3"
 URIs = "1.2"
 julia = "1.5"
 
 [extras]
-JSONWebTokens = "9b8beb19-0777-58c6-920b-28f749fee4d3"
+MbedTLS = "739be429-bea8-5141-9913-cc70e7f3736d"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["JSONWebTokens", "Test"]
+test = ["MbedTLS", "Test"]
diff --git a/src/SMARTBackendServices.jl b/src/SMARTBackendServices.jl
index 53ed7a8..1dfafca 100644
--- a/src/SMARTBackendServices.jl
+++ b/src/SMARTBackendServices.jl
@@ -4,7 +4,7 @@ import Dates
 import HTTP
 import HealthBase
 import JSON3
-import JSONWebTokens
+import JWTs
 import Random
 import TimeZones
 import URIs
diff --git a/src/backend_services.jl b/src/backend_services.jl
index 29a641c..5efc9f8 100644
--- a/src/backend_services.jl
+++ b/src/backend_services.jl
@@ -12,9 +12,18 @@ function _backend_services_create_jwt(config::BackendServicesConfig)
         "jti" => jti,
         "exp" => expiration_time_seconds_since_epoch_utc,
     )
-    jwt = JSONWebTokens.encode(config.private_key, jwt_payload_claims_dict)
+    jwt = JWTs.JWT(; payload = jwt_payload_claims_dict)
 
-    return jwt
+    # Sign
+    if config.keyid === nothing
+        JWTs.sign!(jwt, config.key)
+    else
+        JWTs.sign!(jwt, config.key, config.keyid)
+    end
+    @assert JWTs.issigned(jwt)
+    @assert config.keyid === nothing || JWTs.kid(jwt) == config.keyid
+
+    return string(jwt)
 end
 
 """
diff --git a/src/jwt.jl b/src/jwt.jl
index 4c97c21..1653576 100644
--- a/src/jwt.jl
+++ b/src/jwt.jl
@@ -1,6 +1,6 @@
 function try_decode_jwt(contents::AbstractString)
     try
-        jwt_decoded = JSONWebTokens.decode(JSONWebTokens.None(), contents)
+        jwt_decoded = JWTs.claims(JWTs.JWT(; jwt = contents))
         return true, jwt_decoded
     catch
     end
diff --git a/src/types.jl b/src/types.jl
index fe48105..23fb8bb 100644
--- a/src/types.jl
+++ b/src/types.jl
@@ -1,18 +1,20 @@
 """
-    BackendServicesConfig{PK}(; kwargs...)
+    BackendServicesConfig{T <: JWTs.JWK}(; kwargs...)
 
 ## Required Keyword Arguments:
 - `iss::String`
-- `private_key::PK`
+- `key::T`
 - `sub::String`
 - `token_endpoint::String`
 
 ## Optional Keyword Arguments:
 - `scope::Union{String, Nothing}`. Default value: `nothing`.
+- `keyid::Union{String, Nothing}`. Default value: `nothing`.
 """
-Base.@kwdef struct BackendServicesConfig{PK <: JSONWebTokens.Encoding}
+Base.@kwdef struct BackendServicesConfig{T <: JWTs.JWK}
     iss::String
-    private_key::PK
+    key::T
+    keyid::Union{String, Nothing} = nothing
     scope::Union{String, Nothing} = nothing
     sub::String
     token_endpoint::String
diff --git a/test/basic.jl b/test/basic.jl
index c97dfc3..10f42e3 100644
--- a/test/basic.jl
+++ b/test/basic.jl
@@ -1,11 +1,20 @@
-token_endpoint = "https://launch.smarthealthit.org/v/r4/auth/token"
+server = "https://launch.smarthealthit.org/v/r4/"
+token_endpoint = server * "auth/token"
+
+# Signing key
+openid_config = String(HTTP.get(server * "fhir/.well-known/openid-configuration").body)
+keyset = JWTs.JWKSet(JSON3.read(openid_config)["jwks_uri"])
+JWTs.refresh!(keyset)
+keyid, key = first(keyset.keys)
+key = JWTs.JWKRSA(key.kind, MbedTLS.parse_keyfile(test_private_key))
 
 client_id = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.7YooXIb64Y3_j38n-Gqwa1PqXc-hz-4xJAJF5oqxJVo"
 
 smart_config = BackendServicesConfig(;
     iss = "https://whatever.smart/our-sample-backend-service",
     sub = client_id,
-    private_key = JSONWebTokens.RS384(test_private_key),
+    key,
+    keyid,
     scope = "system/*.*",
     token_endpoint = token_endpoint,
 )
diff --git a/test/runtests.jl b/test/runtests.jl
index 7372a74..b1605da 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,7 +1,10 @@
 using SMARTBackendServices
 using Test
 
-import JSONWebTokens
+import JSON3
+import JWTs
+import HTTP
+import MbedTLS
 
 include("test_private_key/create.jl")