diff --git a/test/latest/input/basic-request.httpMessage b/test/latest/input/basic-request.httpMessage
index 267db2b..4fa021d 100644
--- a/test/latest/input/basic-request.httpMessage
+++ b/test/latest/input/basic-request.httpMessage
@@ -1,4 +1,4 @@
 GET /basic/request HTTP/1.1
 Connection: keep-alive
 User-Agent: Mozilla/5.0 (Macintosh)
-authorization: Signature keyId="foo",algorithm="hmac",signature="test"
+Authorization: Signature keyId="foo",algorithm="hmac",signature="test"
diff --git a/test/latest/input/created-ecdsa.httpMessage b/test/latest/input/created-ecdsa.httpMessage
index 44b7a88..4d3c7e8 100644
--- a/test/latest/input/created-ecdsa.httpMessage
+++ b/test/latest/input/created-ecdsa.httpMessage
@@ -1,4 +1,4 @@
 GET /basic/request HTTP/1.1
 Connection: keep-alive
 User-Agent: Mozilla/5.0 (Macintosh)
-authorization: Signature keyId="foo",algorithm="ecdsa",created=1,headers="(created)",signature="test"
+Authorization: Signature keyId="foo",algorithm="ecdsa",created=1,headers="(created)",signature="test"
diff --git a/test/latest/input/created-hmac.httpMessage b/test/latest/input/created-hmac.httpMessage
index eac2008..c09cb6e 100644
--- a/test/latest/input/created-hmac.httpMessage
+++ b/test/latest/input/created-hmac.httpMessage
@@ -1,4 +1,4 @@
 GET /basic/request HTTP/1.1
 Connection: keep-alive
 User-Agent: Mozilla/5.0 (Macintosh)
-authorization: Signature keyId="foo",algorithm="hmac",headers="(created)",signature="test",created=1
+Authorization: Signature keyId="foo",algorithm="hmac",headers="(created)",signature="test",created=1
diff --git a/test/latest/input/created-in-future.httpMessage b/test/latest/input/created-in-future.httpMessage
index c623a31..905fda8 100644
--- a/test/latest/input/created-in-future.httpMessage
+++ b/test/latest/input/created-in-future.httpMessage
@@ -3,4 +3,4 @@ Host: example.com
 Content-Type: application/json
 Digest: SHA-256=X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE=
 Content-Length: 18
-authorization: Signature keyId="foo",created=9999999999999,headers="(created)",signature="test"
+Authorization: Signature keyId="foo",created=9999999999999,headers="(created)",signature="test"
diff --git a/test/latest/input/created-not-int.httpMessage b/test/latest/input/created-not-int.httpMessage
index a5ac92e..f5cf56b 100644
--- a/test/latest/input/created-not-int.httpMessage
+++ b/test/latest/input/created-not-int.httpMessage
@@ -3,4 +3,4 @@ Host: example.com
 Content-Type: application/json
 Digest: SHA-256=X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE=
 Content-Length: 18
-authorization: Signature keyId="foo",created="not-int",headers="(created)",signature="test"
+Authorization: Signature keyId="foo",created="not-int",headers="(created)",signature="test"
diff --git a/test/latest/input/created-request.httpMessage b/test/latest/input/created-request.httpMessage
index 2245672..4e142e4 100644
--- a/test/latest/input/created-request.httpMessage
+++ b/test/latest/input/created-request.httpMessage
@@ -1,4 +1,4 @@
 GET /basic/request HTTP/1.1
 Connection: keep-alive
 User-Agent: Mozilla/5.0 (Macintosh)
-authorization: Signature created="9999999999999",keyId="foo",algorithm="hmac",signature="test"
+Authorization: Signature created="9999999999999",keyId="foo",algorithm="hmac",signature="test"
diff --git a/test/latest/input/created-rsa.httpMessage b/test/latest/input/created-rsa.httpMessage
index c3a10a8..72572df 100644
--- a/test/latest/input/created-rsa.httpMessage
+++ b/test/latest/input/created-rsa.httpMessage
@@ -1,4 +1,4 @@
 GET /basic/request HTTP/1.1
 Connection: keep-alive
 User-Agent: Mozilla/5.0 (Macintosh)
-authorization: Signature keyId="foo",algorithm="rsa",created=1,headers="(created)",signature="test"
+Authorization: Signature keyId="foo",algorithm="rsa",created=1,headers="(created)",signature="test"
diff --git a/test/latest/input/created.httpMessage b/test/latest/input/created.httpMessage
index e1517f4..60434f6 100644
--- a/test/latest/input/created.httpMessage
+++ b/test/latest/input/created.httpMessage
@@ -3,4 +3,4 @@ Host: example.com
 Content-Type: application/json
 Digest: SHA-256=X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE=
 Content-Length: 18
-authorization: Signature keyId="foo",created=1,headers="(created)",signature="test"
+Authorization: Signature keyId="foo",created=1,headers="(created)",signature="test"
diff --git a/test/latest/input/expired.httpMessage b/test/latest/input/expired.httpMessage
index f8e07e4..2a5eb63 100644
--- a/test/latest/input/expired.httpMessage
+++ b/test/latest/input/expired.httpMessage
@@ -3,4 +3,4 @@ Host: example.com
 Content-Type: application/json
 Digest: SHA-256=X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE=
 Content-Length: 18
-authorization: Signature keyId="foo",expires=0,headers="(created)",signature="test"
+Authorization: Signature keyId="foo",expires=0,headers="(created)",signature="test"
diff --git a/test/latest/input/expires.httpMessage b/test/latest/input/expires.httpMessage
index f8e07e4..2a5eb63 100644
--- a/test/latest/input/expires.httpMessage
+++ b/test/latest/input/expires.httpMessage
@@ -3,4 +3,4 @@ Host: example.com
 Content-Type: application/json
 Digest: SHA-256=X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE=
 Content-Length: 18
-authorization: Signature keyId="foo",expires=0,headers="(created)",signature="test"
+Authorization: Signature keyId="foo",expires=0,headers="(created)",signature="test"
diff --git a/test/latest/input/hs2019/basic.httpMessage b/test/latest/input/hs2019/basic.httpMessage
index 4434edb..b321108 100644
--- a/test/latest/input/hs2019/basic.httpMessage
+++ b/test/latest/input/hs2019/basic.httpMessage
@@ -1,4 +1,4 @@
 GET /basic/request HTTP/1.1
 Connection: keep-alive
 User-Agent: Mozilla/5.0 (Macintosh)
-authorization: Signature keyId="EDTestKey",algorithm="hs2019",signature="test"
+Authorization: Signature keyId="EDTestKey",algorithm="hs2019",signature="test"
diff --git a/test/latest/input/invalidheaders-request.httpMessage b/test/latest/input/invalidheaders-request.httpMessage
index e4e61e1..b8fcf7b 100644
--- a/test/latest/input/invalidheaders-request.httpMessage
+++ b/test/latest/input/invalidheaders-request.httpMessage
@@ -1,4 +1,4 @@
 GET /basic/request HTTP/1.1
 Connection: keep-alive
 User-Agent: Mozilla/5.0 (Macintosh)
-authorization: Signature keyId="foo",algorithm="hmac",headers="",signature="test"
+Authorization: Signature keyId="foo",algorithm="hmac",headers="",signature="test"
diff --git a/test/latest/input/noalgorithm-request.httpMessage b/test/latest/input/noalgorithm-request.httpMessage
index 2f4d38b..d35c3b4 100644
--- a/test/latest/input/noalgorithm-request.httpMessage
+++ b/test/latest/input/noalgorithm-request.httpMessage
@@ -1,4 +1,4 @@
 GET /basic/request HTTP/1.1
 Connection: keep-alive
 User-Agent: Mozilla/5.0 (Macintosh)
-authorization: Signature keyId="foo",signature="test"
+Authorization: Signature keyId="foo",signature="test"
diff --git a/test/latest/input/nosignature-request.httpMessage b/test/latest/input/nosignature-request.httpMessage
index f113776..8bd1acd 100644
--- a/test/latest/input/nosignature-request.httpMessage
+++ b/test/latest/input/nosignature-request.httpMessage
@@ -1,4 +1,4 @@
 GET /basic/request HTTP/1.1
 Connection: keep-alive
 User-Agent: Mozilla/5.0 (Macintosh)
-authorization: Signature keyId="foo",algorithm="hmac"
+Authorization: Signature keyId="foo",algorithm="hmac"
diff --git a/test/latest/input/not-created.httpMessage b/test/latest/input/not-created.httpMessage
index a00e1d8..5bc2646 100644
--- a/test/latest/input/not-created.httpMessage
+++ b/test/latest/input/not-created.httpMessage
@@ -3,4 +3,4 @@ Host: example.com
 Content-Type: application/json
 Digest: SHA-256=X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE=
 Content-Length: 18
-authorization: Signature keyId="foo",headers="(created)",signature="test"
+Authorization: Signature keyId="foo",headers="(created)",signature="test"