diff --git a/go.mod b/go.mod
index 12b4b7dee..90d905cfe 100644
--- a/go.mod
+++ b/go.mod
@@ -26,7 +26,7 @@ require (
 	github.com/spf13/viper v1.3.2
 	github.com/stretchr/testify v1.3.0
 	github.com/tendermint/btcd v0.1.1
-	github.com/tendermint/crypto v0.0.0-20180820045704-3764759f34a5
+	github.com/tendermint/crypto v0.0.0-20190823183015-45b1026d81ae
 	github.com/tendermint/go-amino v0.15.0
 	github.com/tendermint/iavl v0.12.4
 	github.com/tendermint/tendermint v0.32.2
diff --git a/go.sum b/go.sum
index e14d04bd3..d4983bef4 100644
--- a/go.sum
+++ b/go.sum
@@ -165,8 +165,8 @@ github.com/syndtr/goleveldb v1.0.1-0.20190318030020-c3a204f8e965 h1:1oFLiOyVl+W7
 github.com/syndtr/goleveldb v1.0.1-0.20190318030020-c3a204f8e965/go.mod h1:9OrXJhf154huy1nPWmuSrkgjPUtUNhA+Zmy+6AESzuA=
 github.com/tendermint/btcd v0.1.1 h1:0VcxPfflS2zZ3RiOAHkBiFUcPvbtRj5O7zHmcJWHV7s=
 github.com/tendermint/btcd v0.1.1/go.mod h1:DC6/m53jtQzr/NFmMNEu0rxf18/ktVoVtMrnDD5pN+U=
-github.com/tendermint/crypto v0.0.0-20180820045704-3764759f34a5 h1:u8i49c+BxloX3XQ55cvzFNXplizZP/q00i+IlttUjAU=
-github.com/tendermint/crypto v0.0.0-20180820045704-3764759f34a5/go.mod h1:z4YtwM70uOnk8h0pjJYlj3zdYwi9l03By6iAIF5j/Pk=
+github.com/tendermint/crypto v0.0.0-20190823183015-45b1026d81ae h1:AOXNM7c2Vvo45SjAgeWF8Wy+NS7/NCqzRNpUc+HPAec=
+github.com/tendermint/crypto v0.0.0-20190823183015-45b1026d81ae/go.mod h1:z4YtwM70uOnk8h0pjJYlj3zdYwi9l03By6iAIF5j/Pk=
 github.com/tendermint/go-amino v0.14.1/go.mod h1:i/UKE5Uocn+argJJBb12qTZsCDBcAYMbR92AaJVmKso=
 github.com/tendermint/go-amino v0.15.0 h1:TC4e66P59W7ML9+bxio17CPKnxW3nKIRAYskntMAoRk=
 github.com/tendermint/go-amino v0.15.0/go.mod h1:TQU0M1i/ImAo+tYpZi73AU3V/dKeCoMC9Sphe2ZwGME=