diff --git a/.gitignore b/.gitignore
index a3452a9..e543935 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 /zstd-safe-4.1.4+zstd.1.5.2.crate
 /zstd-safe-5.0.2+zstd.1.5.2.crate
 /zstd-safe-6.0.4+zstd.1.5.4.crate
+/zstd-safe-6.0.6.crate
diff --git a/rust-zstd-safe.spec b/rust-zstd-safe.spec
index 7de8c21..eaa24ae 100644
--- a/rust-zstd-safe.spec
+++ b/rust-zstd-safe.spec
@@ -3,20 +3,18 @@
 %global debug_package %{nil}
 
 %global crate zstd-safe
-%global upstream_version 6.0.4+zstd.1.5.4
 
 Name:           rust-zstd-safe
-Version:        6.0.4
+Version:        6.0.6
 Release:        %autorelease
 Summary:        Safe low-level bindings for the zstd compression library
 
 # Upstream license specification: MIT/Apache-2.0
 License:        MIT OR Apache-2.0
 URL:            https://crates.io/crates/zstd-safe
-Source:         %{crates_source %{crate} %{upstream_version}}
+Source:         %{crates_source}
 # Manually created patch for downstream crate metadata changes
-# * remove zstd version from version field
-# * exclude a development-only shell script
+# * exclude files that are only useful for upstream development
 Patch:          zstd-safe-fix-metadata.diff
 
 BuildRequires:  rust-packaging >= 21
@@ -223,7 +221,7 @@ use the "zstdmt" feature of the "%{crate}" crate.
 %ghost %{crate_instdir}/Cargo.toml
 
 %prep
-%autosetup -n %{crate}-%{upstream_version} -p1
+%autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep
 
 %generate_buildrequires
diff --git a/sources b/sources
index f87e737..f3d2efc 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (zstd-safe-6.0.4+zstd.1.5.4.crate) = db03385ae800053ddb1bb6a2089712f284c21e43a99deeed6367ca8dabbb3f96b12066dfb57f484172a386fc9576c28e38d1a7bbf838debc05877bc68cd5c9cf
+SHA512 (zstd-safe-6.0.6.crate) = 33f8aee9c584a2abdd3d965fa9ff15fad310fc3f9d73e04d5a3a871c3b7e96b7a833cf563ef81656c9226ec793f42bb9c08b1c5cc53c9ead3e29802d8fcfbc6a
diff --git a/zstd-safe-fix-metadata.diff b/zstd-safe-fix-metadata.diff
index 7480121..17bf7a1 100644
--- a/zstd-safe-fix-metadata.diff
+++ b/zstd-safe-fix-metadata.diff
@@ -1,14 +1,5 @@
---- zstd-safe-6.0.4+zstd.1.5.4/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ zstd-safe-6.0.4+zstd.1.5.4/Cargo.toml	2023-02-23T18:00:32.379206+00:00
-@@ -13,7 +13,7 @@
- edition = "2018"
- rust-version = "1.43"
- name = "zstd-safe"
--version = "6.0.4+zstd.1.5.4"
-+version = "6.0.4"
- authors = ["Alexandre Bury <alexandre.bury@gmail.com>"]
- build = "build.rs"
- description = "Safe low-level bindings for the zstd compression library."
+--- zstd-safe-6.0.6/Cargo.toml	1970-01-01T00:00:01+00:00
++++ zstd-safe-6.0.6/Cargo.toml	2023-08-01T13:07:09.173716+00:00
 @@ -29,6 +29,7 @@
  ]
  license = "MIT/Apache-2.0"