diff --git a/src/Library/Cryptography/Hmac.elm b/src/Library/Cryptography/Hmac.elm
--- a/src/Library/Cryptography/Hmac.elm
+++ b/src/Library/Cryptography/Hmac.elm
@@ -1,4 +1,4 @@
-module Cryptography.HMAC exposing (encrypt128, encrypt64)
+module Cryptography.Hmac exposing (encrypt128, encrypt64)
 
 {-| Cryptography – HMAC
 -}
diff --git a/src/Library/Sources/Services/AmazonS3/Presign.elm b/src/Library/Sources/Services/AmazonS3/Presign.elm
--- a/src/Library/Sources/Services/AmazonS3/Presign.elm
+++ b/src/Library/Sources/Services/AmazonS3/Presign.elm
@@ -2,7 +2,7 @@
 
 import Binary exposing (Bits)
 import Common
-import Cryptography.HMAC as HMAC
+import Cryptography.Hmac as Hmac
 import DateFormat as Date
 import Dict
 import Dict.Ext as Dict
@@ -201,4 +201,4 @@
 
 hmacSha256 : String -> Bits -> Bits
 hmacSha256 =
-    HMAC.encrypt64 SHA.sha256
+    Hmac.encrypt64 SHA.sha256
diff --git a/src/Library/Sources/Services/Azure/Authorization.elm b/src/Library/Sources/Services/Azure/Authorization.elm
--- a/src/Library/Sources/Services/Azure/Authorization.elm
+++ b/src/Library/Sources/Services/Azure/Authorization.elm
@@ -10,7 +10,7 @@
 import Binary
 import BinaryBase64
 import Common
-import Cryptography.HMAC as Hmac
+import Cryptography.Hmac as Hmac
 import DateFormat as Date
 import Dict
 import Dict.Ext as Dict