diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c600e704..826dee91 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,7 @@ jobs:
     env:
       BUILD_TYPE: ${{ matrix.build_type }}
       WITH_LUA_ENGINE: ${{ matrix.lua_engine }}
+      NPROCS: 1
 
     steps:
     - uses: actions/checkout@v2
diff --git a/deps/lrexlib b/deps/lrexlib
index 69d5c442..9aa5e7e9 160000
--- a/deps/lrexlib
+++ b/deps/lrexlib
@@ -1 +1 @@
-Subproject commit 69d5c442c5a4bdc1271103e88c5c798b605e9ed2
+Subproject commit 9aa5e7e9ca47da1bd0e023dfa0b1b2d43aa358f3
diff --git a/deps/lua-openssl b/deps/lua-openssl
index 48aefc2f..5bc07789 160000
--- a/deps/lua-openssl
+++ b/deps/lua-openssl
@@ -1 +1 @@
-Subproject commit 48aefc2f9bad8cc51686e96c66a3237832f8b101
+Subproject commit 5bc07789cbe473bc86dda1957a168fb209077c38
diff --git a/deps/lua-openssl.cmake b/deps/lua-openssl.cmake
index acddbf49..a3aa4a0f 100644
--- a/deps/lua-openssl.cmake
+++ b/deps/lua-openssl.cmake
@@ -41,6 +41,7 @@ add_library(lua_openssl
   ${LUA_OPENSSL_DIR}/src/ec.c
   ${LUA_OPENSSL_DIR}/src/engine.c
   ${LUA_OPENSSL_DIR}/src/hmac.c
+  ${LUA_OPENSSL_DIR}/src/kdf.c
   ${LUA_OPENSSL_DIR}/src/lbn.c
   ${LUA_OPENSSL_DIR}/src/lhash.c
   ${LUA_OPENSSL_DIR}/src/misc.c
diff --git a/deps/lua-zlib b/deps/lua-zlib
index a305d98f..15d4bc84 160000
--- a/deps/lua-zlib
+++ b/deps/lua-zlib
@@ -1 +1 @@
-Subproject commit a305d98f473d0a253b6fd740ce60d7d5a5f1cda0
+Subproject commit 15d4bc84b0ad3e4012d72ce18cfae58518ec13b4
diff --git a/deps/luv b/deps/luv
index 045bf29b..7c0735f4 160000
--- a/deps/luv
+++ b/deps/luv
@@ -1 +1 @@
-Subproject commit 045bf29b6f54f9b511f8b76088250d2a90dbdf4f
+Subproject commit 7c0735f46cda5ef68c2e5c4fba8d4a7573fcf132