diff --git a/Cargo.toml b/Cargo.toml
index 9e6d26d..5b203c0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,6 +16,9 @@ exclude = [
     "test/**/*",
 ]
 
+[workspace]
+members = ["librocksdb-sys"]
+
 [features]
 default = ["snappy", "lz4", "zstd", "zlib", "bzip2"]
 jemalloc = ["librocksdb-sys/jemalloc"]
@@ -31,7 +34,7 @@ serde1 = ["serde"]
 
 [dependencies]
 libc = "0.2"
-librocksdb-sys = { path = "librocksdb-sys", version = "0.6.0" }
+librocksdb-sys = { path = "librocksdb-sys", version = "0.6.1" }
 serde = { version = "1", features = [ "derive" ], optional = true }
 
 [dev-dependencies]
diff --git a/librocksdb-sys/Cargo.toml b/librocksdb-sys/Cargo.toml
index 8bb0489..2046bd7 100644
--- a/librocksdb-sys/Cargo.toml
+++ b/librocksdb-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "librocksdb-sys"
-version = "0.6.0+6.28.2"
+version = "0.6.1+6.28.2"
 edition = "2018"
 authors = ["Karl Hobley <karlhobley10@gmail.com>", "Arkadiy Paronyan <arkadiy@ethcore.io>"]
 license = "MIT/Apache-2.0/BSD-3-Clause"
diff --git a/librocksdb-sys/build.rs b/librocksdb-sys/build.rs
index da8d097..1bdba89 100644
--- a/librocksdb-sys/build.rs
+++ b/librocksdb-sys/build.rs
@@ -1,3 +1,4 @@
+use std::path::Path;
 use std::{env, fs, path::PathBuf, process::Command};
 
 fn link(name: &str, bundled: bool) {
@@ -111,7 +112,7 @@ fn build_rocksdb() {
         // only available since Intel Nehalem (about 2010) and AMD Bulldozer
         // (about 2011).
         let target_feature = env::var("CARGO_CFG_TARGET_FEATURE").unwrap();
-        let target_features: Vec<_> = target_feature.split(",").collect();
+        let target_features: Vec<_> = target_feature.split(',').collect();
         if target_features.contains(&"sse2") {
             config.flag_if_supported("-msse2");
         }
@@ -123,11 +124,9 @@ fn build_rocksdb() {
             config.define("HAVE_SSE42", Some("1"));
         }
 
-        if !target.contains("android") {
-            if target_features.contains(&"pclmulqdq") {
-                config.define("HAVE_PCLMUL", Some("1"));
-                config.flag_if_supported("-mpclmul");
-            }
+        if !target.contains("android") && target_features.contains(&"pclmulqdq") {
+            config.define("HAVE_PCLMUL", Some("1"));
+            config.flag_if_supported("-mpclmul");
         }
     }
 
@@ -318,7 +317,9 @@ fn update_submodules() {
 }
 
 fn main() {
-    update_submodules();
+    if !Path::new("rocksdb/AUTHORS").exists() {
+        update_submodules();
+    }
     bindgen_rocksdb();
 
     if !try_to_find_and_link_lib("ROCKSDB") {