diff --git a/prologue.nimble b/prologue.nimble
index 7a499fa58..401268a7f 100644
--- a/prologue.nimble
+++ b/prologue.nimble
@@ -8,7 +8,7 @@ srcDir        = "src"
 
 
 # Dependencies
-requires "nim >= 1.6.0"
+requires "nim >= 2.0.0"
 requires "regex >= 0.20.0"
 requires "nimcrypto >= 0.5.4"
 requires "cookiejar >= 0.2.0"
diff --git a/src/prologue/security/hasher.nim b/src/prologue/security/hasher.nim
index 4e3557f1b..ded8e24a0 100644
--- a/src/prologue/security/hasher.nim
+++ b/src/prologue/security/hasher.nim
@@ -16,7 +16,7 @@
 
 import std/[strformat, strutils]
 
-import pkg/nimcrypto/pbkdf2
+import pkg/nimcrypto/[pbkdf2, sha, sha2]
 
 from ../core/types import SecretKey
 from ../core/encode import base64Encode