diff --git a/Cargo-zng.toml b/Cargo-zng.toml
index 564161da..9e0dd28e 100644
--- a/Cargo-zng.toml
+++ b/Cargo-zng.toml
@@ -1,6 +1,6 @@
 [package]
 name = "libz-ng-sys"
-version = "1.1.30"
+version = "1.1.31"
 authors = [
     "Alex Crichton <alex@alexcrichton.com>",
     "Josh Triplett <josh@joshtriplett.org>",
diff --git a/Cargo.toml b/Cargo.toml
index 0e673eb2..fdd770a0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "libz-sys"
-version = "1.1.30"
+version = "1.1.31"
 authors = [
     "Alex Crichton <alex@alexcrichton.com>",
     "Josh Triplett <josh@joshtriplett.org>",
diff --git a/build.rs b/build.rs
index 1a1f37a7..8737295d 100644
--- a/build.rs
+++ b/build.rs
@@ -243,7 +243,6 @@ fn zlib_installed(cfg: &mut cc::Build) -> bool {
         .arg("/dev/null")
         .arg("-lz");
 
-    println!("running {:?}", cmd);
     if let Ok(status) = cmd.status() {
         if status.success() {
             return true;