diff --git a/builds/msvc/vs2010/libsodium/libsodium.vcxproj b/builds/msvc/vs2010/libsodium/libsodium.vcxproj
index 6abf1b96..bbcf96e4 100644
--- a/builds/msvc/vs2010/libsodium/libsodium.vcxproj
+++ b/builds/msvc/vs2010/libsodium/libsodium.vcxproj
@@ -72,6 +72,7 @@
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_core\curve25519\ref10\curve25519_ref10.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_core\hchacha20\core_hchacha20.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-ref.c" />
+    <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-avx2.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-sse41.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-ssse3.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna.c" />
@@ -94,7 +95,7 @@
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_core\curve25519\ref10\curve25519_ref10.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-sse2.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-sse41.h" />
-    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-round.h" />
+    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-avx2.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna32.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna64.h" />
@@ -274,4 +275,4 @@
     <Xml Include="..\..\..\..\packaging\nuget\package.xml" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-</Project>
\ No newline at end of file
+</Project>
diff --git a/builds/msvc/vs2010/libsodium/libsodium.vcxproj.filters b/builds/msvc/vs2010/libsodium/libsodium.vcxproj.filters
index 45b36364..44a9ef3a 100644
--- a/builds/msvc/vs2010/libsodium/libsodium.vcxproj.filters
+++ b/builds/msvc/vs2010/libsodium/libsodium.vcxproj.filters
@@ -289,9 +289,6 @@
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_stream\chacha20\ref\stream_chacha20_ref.h">
       <Filter>src\crypto_stream\chacha20\ref</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-round.h">
-      <Filter>src\crypto_generichash\blake2\ref</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\onetimeauth_poly1305.h">
       <Filter>src\crypto_onetimeauth\poly1305</Filter>
     </ClInclude>
@@ -301,6 +298,9 @@
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-sse41.h">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-avx2.h">
+      <Filter>src\crypto_generichash\blake2\ref</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_scalarmult\curve25519\donna_c64\curve25519_donna_c64.h">
       <Filter>src\crypto_scalarmult\curve25519\donna_c64</Filter>
     </ClInclude>
@@ -799,6 +799,9 @@
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-ref.c">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-avx2.c">
+      <Filter>src\crypto_generichash\blake2\ref</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-sse41.c">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClCompile>
@@ -857,4 +860,4 @@
       <Filter>src\crypto_pwhash\argon2</Filter>
     </ClCompile>
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/builds/msvc/vs2012/libsodium/libsodium.vcxproj b/builds/msvc/vs2012/libsodium/libsodium.vcxproj
index 6e079358..62ac6160 100644
--- a/builds/msvc/vs2012/libsodium/libsodium.vcxproj
+++ b/builds/msvc/vs2012/libsodium/libsodium.vcxproj
@@ -72,6 +72,7 @@
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_core\curve25519\ref10\curve25519_ref10.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_core\hchacha20\core_hchacha20.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-ref.c" />
+    <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-avx2.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-sse41.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-ssse3.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna.c" />
@@ -94,7 +95,7 @@
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_core\curve25519\ref10\curve25519_ref10.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-sse2.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-sse41.h" />
-    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-round.h" />
+    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-avx2.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna32.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna64.h" />
@@ -274,4 +275,4 @@
     <Xml Include="..\..\..\..\packaging\nuget\package.xml" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-</Project>
\ No newline at end of file
+</Project>
diff --git a/builds/msvc/vs2012/libsodium/libsodium.vcxproj.filters b/builds/msvc/vs2012/libsodium/libsodium.vcxproj.filters
index 2d8d05cf..2690dc56 100644
--- a/builds/msvc/vs2012/libsodium/libsodium.vcxproj.filters
+++ b/builds/msvc/vs2012/libsodium/libsodium.vcxproj.filters
@@ -295,7 +295,7 @@
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-sse41.h">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-round.h">
+    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-avx2.h">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClInclude>
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\onetimeauth_poly1305.h">
@@ -799,6 +799,9 @@
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-ref.c">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-avx2.c">
+      <Filter>src\crypto_generichash\blake2\ref</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-sse41.c">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClCompile>
@@ -857,4 +860,4 @@
       <Filter>src\crypto_core\hchacha20</Filter>
     </ClCompile>
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/builds/msvc/vs2013/libsodium/libsodium.vcxproj b/builds/msvc/vs2013/libsodium/libsodium.vcxproj
index 4407605d..8c023512 100644
--- a/builds/msvc/vs2013/libsodium/libsodium.vcxproj
+++ b/builds/msvc/vs2013/libsodium/libsodium.vcxproj
@@ -72,6 +72,7 @@
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_core\curve25519\ref10\curve25519_ref10.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_core\hchacha20\core_hchacha20.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-ref.c" />
+    <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-avx2.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-sse41.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-ssse3.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna.c" />
@@ -94,7 +95,7 @@
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_core\curve25519\ref10\curve25519_ref10.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-sse2.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-sse41.h" />
-    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-round.h" />
+    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-avx2.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna32.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna64.h" />
@@ -274,4 +275,4 @@
     <Xml Include="..\..\..\..\packaging\nuget\package.xml" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-</Project>
\ No newline at end of file
+</Project>
diff --git a/builds/msvc/vs2013/libsodium/libsodium.vcxproj.filters b/builds/msvc/vs2013/libsodium/libsodium.vcxproj.filters
index bfea72f4..9a4a339b 100644
--- a/builds/msvc/vs2013/libsodium/libsodium.vcxproj.filters
+++ b/builds/msvc/vs2013/libsodium/libsodium.vcxproj.filters
@@ -295,7 +295,7 @@
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-sse41.h">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-round.h">
+    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-avx2.h">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClInclude>
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\onetimeauth_poly1305.h">
@@ -799,6 +799,9 @@
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-ref.c">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-avx2.c">
+      <Filter>src\crypto_generichash\blake2\ref</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-sse41.c">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClCompile>
@@ -857,4 +860,4 @@
       <Filter>src\crypto_core\hchacha20</Filter>
     </ClCompile>
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/builds/msvc/vs2015/libsodium/libsodium.vcxproj b/builds/msvc/vs2015/libsodium/libsodium.vcxproj
index 26fab683..b595a6d8 100644
--- a/builds/msvc/vs2015/libsodium/libsodium.vcxproj
+++ b/builds/msvc/vs2015/libsodium/libsodium.vcxproj
@@ -72,6 +72,7 @@
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_core\curve25519\ref10\curve25519_ref10.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_core\hchacha20\core_hchacha20.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-ref.c" />
+    <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-avx2.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-sse41.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-ssse3.c" />
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna.c" />
@@ -94,7 +95,7 @@
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_core\curve25519\ref10\curve25519_ref10.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-sse2.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-sse41.h" />
-    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-round.h" />
+    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-avx2.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna32.h" />
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\donna\poly1305_donna64.h" />
@@ -274,4 +275,4 @@
     <Xml Include="..\..\..\..\packaging\nuget\package.xml" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-</Project>
\ No newline at end of file
+</Project>
diff --git a/builds/msvc/vs2015/libsodium/libsodium.vcxproj.filters b/builds/msvc/vs2015/libsodium/libsodium.vcxproj.filters
index 647c40c0..557d5234 100644
--- a/builds/msvc/vs2015/libsodium/libsodium.vcxproj.filters
+++ b/builds/msvc/vs2015/libsodium/libsodium.vcxproj.filters
@@ -295,7 +295,7 @@
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-sse41.h">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-round.h">
+    <ClInclude Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-load-avx2.h">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClInclude>
     <ClInclude Include="..\..\..\..\src\libsodium\crypto_onetimeauth\poly1305\onetimeauth_poly1305.h">
@@ -799,6 +799,9 @@
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-ref.c">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-avx2.c">
+      <Filter>src\crypto_generichash\blake2\ref</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\src\libsodium\crypto_generichash\blake2\ref\blake2b-compress-sse41.c">
       <Filter>src\crypto_generichash\blake2\ref</Filter>
     </ClCompile>
@@ -857,4 +860,4 @@
       <Filter>src\crypto_core\hchacha20</Filter>
     </ClCompile>
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/src/libsodium/Makefile.am b/src/libsodium/Makefile.am
index 62f5711d..4e388e15 100644
--- a/src/libsodium/Makefile.am
+++ b/src/libsodium/Makefile.am
@@ -38,7 +38,6 @@ libsodium_la_SOURCES = \
 	crypto_generichash/blake2/ref/blake2b-load-sse41.h \
 	crypto_generichash/blake2/ref/blake2b-load-avx2.h \
 	crypto_generichash/blake2/ref/blake2b-ref.c \
-	crypto_generichash/blake2/ref/blake2b-round.h \
 	crypto_generichash/blake2/ref/generichash_blake2b.c \
 	crypto_hash/crypto_hash.c \
 	crypto_hash/sha256/hash_sha256_api.c \