diff --git a/Cargo.lock b/Cargo.lock
index 871a438..27b3772 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -32,9 +32,9 @@ dependencies = [
 
 [[package]]
 name = "cmake"
-version = "0.1.55"
+version = "0.1.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d49d74c227b6cc9f3c51a2c7c667a05b6453f7f0f952a5f8e4493bb9e731d68e"
+checksum = "b042e5d8a74ae91bb0961acd039822472ec99f8ab0948cbf6d1369588f8be586"
 dependencies = [
  "cc",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 02835be..1e36cec 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ libc = "0.2.178"
 
 [build-dependencies]
 autotools = { version = "0.2.7", optional = true }
-cmake = { version = "0.1.55", optional = true }
+cmake = { version = "0.1.56", optional = true }
 
 [features]
 default = ["autotools"]