diff --git a/Cargo.lock b/Cargo.lock
index 01736fe..b03c4b9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -344,7 +344,7 @@ dependencies = [
  "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "page_size 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "prometheus 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rocksdb 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rocksdb 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -762,7 +762,7 @@ dependencies = [
 
 [[package]]
 name = "rocksdb"
-version = "0.11.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1177,7 +1177,7 @@ dependencies = [
 "checksum redox_users 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3fe5204c3a17e97dde73f285d49be585df59ed84b50a872baf416e73b62c3828"
 "checksum regex 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "53ee8cfdddb2e0291adfb9f13d31d3bbe0a03c9a402c01b1e24188d86c35b24f"
 "checksum regex-syntax 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "8c2f35eedad5295fdf00a63d7d4b238135723f92b434ec06774dad15c7ab0861"
-"checksum rocksdb 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f1651697fefd273bfb4fd69466cc2a9d20de557a0213b97233b22b5e95924b5e"
+"checksum rocksdb 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3eca7dfb97566985090e6bc4a529af42d0adda683d346a024104ee1b1932e340"
 "checksum rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)" = "f76d05d3993fd5f4af9434e8e436db163a12a9d40e1a58a726f27a01dfd12a2a"
 "checksum rustc-demangle 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "adacaae16d02b6ec37fdc7acfcddf365978de76d1983d3ee22afc260e1ca9619"
 "checksum rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
diff --git a/Cargo.toml b/Cargo.toml
index 864c09a..7eea697 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ lru = "0.1"
 num_cpus = "1.0"
 page_size = "0.4"
 prometheus = "0.5"
-rocksdb = "0.11.0"
+rocksdb = "0.12.1"
 rust-crypto = "0.2"
 serde = "1.0"
 serde_derive = "1.0"
diff --git a/src/store.rs b/src/store.rs
index baac0f4..cb50358 100644
--- a/src/store.rs
+++ b/src/store.rs
@@ -84,7 +84,7 @@ impl DBStore {
 
     pub fn compact(self) -> Self {
         info!("starting full compaction");
-        self.db.compact_range(None, None); // would take a while
+        self.db.compact_range(None::<&[u8]>, None::<&[u8]>); // would take a while
         info!("finished full compaction");
         self
     }
@@ -98,13 +98,13 @@ impl DBStore {
     }
 }
 
-pub struct ScanIterator {
+pub struct ScanIterator<'a> {
     prefix: Vec<u8>,
-    iter: rocksdb::DBIterator,
+    iter: rocksdb::DBIterator<'a>,
     done: bool,
 }
 
-impl Iterator for ScanIterator {
+impl<'a> Iterator for ScanIterator<'a> {
     type Item = Row;
 
     fn next(&mut self) -> Option<Row> {