diff --git a/.gitignore b/.gitignore
index 87d81fb..6df71ef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 /libz-sys-1.1.2.crate
 /libz-sys-1.1.3.crate
 /libz-sys-1.1.5.crate
+/libz-sys-1.1.6.crate
diff --git a/libz-sys-fix-metadata.diff b/libz-sys-fix-metadata.diff
index bb24883..87e7bea 100644
--- a/libz-sys-fix-metadata.diff
+++ b/libz-sys-fix-metadata.diff
@@ -1,6 +1,6 @@
---- libz-sys-1.1.5/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ libz-sys-1.1.5/Cargo.toml	2022-03-31T09:21:24.052708+00:00
-@@ -27,18 +27,9 @@
+--- libz-sys-1.1.6/Cargo.toml	1970-01-01T00:00:01+00:00
++++ libz-sys-1.1.6/Cargo.toml	2022-05-12T13:48:52.315456+00:00
+@@ -40,25 +40,12 @@
  [build-dependencies.cc]
  version = "1.0.18"
  
@@ -13,9 +13,16 @@
  
  [features]
 -asm = []
- default = ["libc", "stock-zlib"]
+ default = [
+     "libc",
+     "stock-zlib",
+ ]
 -static = []
  stock-zlib = []
--zlib-ng = ["libc", "cmake"]
+-zlib-ng = [
+-    "libc",
+-    "cmake",
+-]
+-
 -[target."cfg(target_env = \"msvc\")".build-dependencies.vcpkg]
 -version = "0.2"
diff --git a/rust-libz-sys.spec b/rust-libz-sys.spec
index 33f402d..3926fd8 100644
--- a/rust-libz-sys.spec
+++ b/rust-libz-sys.spec
@@ -5,7 +5,7 @@
 %global crate libz-sys
 
 Name:           rust-%{crate}
-Version:        1.1.5
+Version:        1.1.6
 Release:        %autorelease
 Summary:        Low-level bindings to the system libz library (also known as zlib)
 
@@ -81,9 +81,9 @@ use the "stock-zlib" feature of the "%{crate}" crate.
 
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
-# No bundled libs
-rm -vrf src/zlib/
-rm -vrf src/zlib-ng/
+# remove bundled zlib and zlib-ng sources
+rm -r src/zlib/
+rm -r src/zlib-ng/
 %cargo_prep
 
 %generate_buildrequires
diff --git a/sources b/sources
index cded9cc..075e36f 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libz-sys-1.1.5.crate) = 51ac64c26df57d91f4b7e089600e283354ebf636d8a50ff530ddb031ad0eb74601aca687a087f9e7f51f2b00187d8daa03ca2999ea48ea274c87ad8c7ba8d9ac
+SHA512 (libz-sys-1.1.6.crate) = 18fd3800c38444aef381f7b360b9cd46678c560b46e7c5a286989fb9e689f2447e84f29e4ce195c1b8c2a89584eaee838c175821335accd13bd8d4483c3b099e