diff --git a/beacon_chain/spec/keystore.nim b/beacon_chain/spec/keystore.nim
index 631894fbb0..4c47e56ae0 100644
--- a/beacon_chain/spec/keystore.nim
+++ b/beacon_chain/spec/keystore.nim
@@ -21,13 +21,13 @@ import
   nimcrypto/[sha2, rijndael, pbkdf2, bcmode, hash, scrypt],
   # Local modules
   libp2p/crypto/crypto as lcrypto,
-  ./datatypes/base,  ./signatures
+  ./datatypes/base,  ./[digest, signatures]
 
 from std/algorithm import binarySearch
 from std/math import `^`
 from std/parseutils import parseBiggestUInt
 
-export base, uri, io2, options
+export base, digest, uri, io2, options
 
 # We use `ncrutils` for constant-time hexadecimal encoding/decoding procedures.
 import nimcrypto/utils as ncrutils
diff --git a/vendor/nimcrypto b/vendor/nimcrypto
index 19c41d6be4..9f4e9f643e 160000
--- a/vendor/nimcrypto
+++ b/vendor/nimcrypto
@@ -1 +1 @@
-Subproject commit 19c41d6be4c00b4a2c8000583bd30cf8ceb5f4b1
+Subproject commit 9f4e9f643edf201ac3c6c2a24e5d89e42f6ab048