diff --git a/Cargo.lock b/Cargo.lock
index 250acb5a8..d4d1ceaff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -226,7 +226,7 @@ dependencies = [
  "rustc-serialize 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha3 0.1.0",
- "slab 0.1.4 (git+https://github.com/arkpar/slab.git)",
+ "slab 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "target_info 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -643,11 +643,6 @@ name = "slab"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "slab"
-version = "0.1.4"
-source = "git+https://github.com/arkpar/slab.git#3c9284e1f010e394c9d0359b27464e8fb5c87bf0"
-
 [[package]]
 name = "solicit"
 version = "0.4.4"
diff --git a/util/Cargo.toml b/util/Cargo.toml
index 2675ba56c..c27d4bdc3 100644
--- a/util/Cargo.toml
+++ b/util/Cargo.toml
@@ -23,7 +23,7 @@ elastic-array = "0.4"
 heapsize = "0.3"
 itertools = "0.4"
 crossbeam = "0.2"
-slab = { git = "https://github.com/arkpar/slab.git" }
+slab = "0.1"
 sha3 = { path = "sha3" }
 serde = "0.6.7"
 clippy = { version = "0.0.42", optional = true }