diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2c68837..2e926bd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -93,7 +93,7 @@ endif()
 
 hunter_add_package(Boost COMPONENTS system log thread date_time filesystem chrono test program_options)
 hunter_add_package(ethash)
-hunter_add_package(libsecp256k1)
+hunter_add_package(libsecp256k1-vrf)
 hunter_add_package(nlohmann_json)
 hunter_add_package(OpenSSL)
 hunter_add_package(Protobuf)
@@ -109,7 +109,7 @@ hunter_add_package(koinos_mq)
 
 find_package(Boost CONFIG REQUIRED COMPONENTS system log log_setup thread date_time filesystem chrono program_options)
 find_package(ethash CONFIG REQUIRED)
-find_package(libsecp256k1 CONFIG REQUIRED)
+find_package(libsecp256k1-vrf CONFIG REQUIRED)
 find_package(nlohmann_json CONFIG REQUIRED)
 find_package(Protobuf CONFIG REQUIRED)
 find_package(OpenSSL REQUIRED)
diff --git a/cmake/Hunter/config.cmake b/cmake/Hunter/config.cmake
index 449762c..d4b5d61 100644
--- a/cmake/Hunter/config.cmake
+++ b/cmake/Hunter/config.cmake
@@ -26,6 +26,11 @@ hunter_config(libsecp256k1
    SHA1 "0534fa8948f279b26fd102905215a56f0ad7fa18"
 )
 
+hunter_config(libsecp256k1-vrf
+   URL "https://github.com/koinos/secp256k1-vrf/archive/db479e83be5685f652a9bafefaef77246fdf3bbe.tar.gz"
+   SHA1 "62df75e061c4afd6f0548f1e8267cc3da6abee15"
+)
+
 hunter_config(yaml-cpp
    VERSION "0.6.3"
    CMAKE_ARGS
diff --git a/libraries/crypto b/libraries/crypto
index 50b9b00..95eb11c 160000
--- a/libraries/crypto
+++ b/libraries/crypto
@@ -1 +1 @@
-Subproject commit 50b9b000aa7252b5081abed59ca35db9a14933bd
+Subproject commit 95eb11c0d18561bfa26d3df53ce7d7f5a1d6bf9b
diff --git a/libraries/exception b/libraries/exception
index 118f44d..60100f7 160000
--- a/libraries/exception
+++ b/libraries/exception
@@ -1 +1 @@
-Subproject commit 118f44d4143655ac060edf50fb6512bf698abf0d
+Subproject commit 60100f7d5e2e2c22fb64ed5054b7dc2012234726
diff --git a/libraries/log b/libraries/log
index 1d1db21..84d5707 160000
--- a/libraries/log
+++ b/libraries/log
@@ -1 +1 @@
-Subproject commit 1d1db218442b0935407d564938d259ddd8d4b6f1
+Subproject commit 84d5707bdd71331203c3bd0a96b1bd0b9c7d0751
diff --git a/libraries/mq b/libraries/mq
index 54bd52e..4d4421e 160000
--- a/libraries/mq
+++ b/libraries/mq
@@ -1 +1 @@
-Subproject commit 54bd52e14bd8e343479076dd5c4bca14aa3b18a7
+Subproject commit 4d4421efce84663a93c7a2bcda71d3147c46ad25
diff --git a/libraries/proto b/libraries/proto
index 6ce8877..db90e99 160000
--- a/libraries/proto
+++ b/libraries/proto
@@ -1 +1 @@
-Subproject commit 6ce88774bc5959bacacf88e6acb7e9d5fd134edc
+Subproject commit db90e99d6f8997861db6083efb8d0805bcd51d48
diff --git a/libraries/util b/libraries/util
index 28c921c..191ef02 160000
--- a/libraries/util
+++ b/libraries/util
@@ -1 +1 @@
-Subproject commit 28c921cfb0dd4fa0e6e0b871e6cd9dfb5f35c292
+Subproject commit 191ef0228e6c05a8a678b9de73c0e1d52b769371