diff --git a/.gitignore b/.gitignore
index efbc8cc..d6cec81 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 /anstream-0.6.11.crate
 /anstream-0.6.12.crate
 /anstream-0.6.13.crate
+/anstream-0.6.14.crate
diff --git a/0001-drop-is_terminal_polyfill-and-replace-with-std-io-Is.patch b/0001-drop-is_terminal_polyfill-and-replace-with-std-io-Is.patch
new file mode 100644
index 0000000..c0f8e74
--- /dev/null
+++ b/0001-drop-is_terminal_polyfill-and-replace-with-std-io-Is.patch
@@ -0,0 +1,25 @@
+From e0641952e15e81afd101652240828d30d7ee6726 Mon Sep 17 00:00:00 2001
+From: Fabio Valentini <decathorpe@gmail.com>
+Date: Tue, 2 Jul 2024 14:24:40 +0200
+Subject: [PATCH] drop is_terminal_polyfill and replace with
+ std::io::IsTerminal
+
+---
+ src/stream.rs | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/src/stream.rs b/src/stream.rs
+index b30d232..e8472c1 100644
+--- a/src/stream.rs
++++ b/src/stream.rs
+@@ -1,5 +1,7 @@
+ //! Higher-level traits to describe writeable streams
+ 
++use std::io as is_terminal_polyfill;
++
+ /// Required functionality for underlying [`std::io::Write`] for adaptation
+ #[cfg(not(all(windows, feature = "wincon")))]
+ pub trait RawStream: std::io::Write + IsTerminal + private::Sealed {}
+-- 
+2.45.2
+
diff --git a/anstream-fix-metadata-auto.diff b/anstream-fix-metadata-auto.diff
index e854038..cce84cb 100644
--- a/anstream-fix-metadata-auto.diff
+++ b/anstream-fix-metadata-auto.diff
@@ -1,12 +1,20 @@
---- anstream-0.6.13/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ anstream-0.6.13/Cargo.toml	2024-02-29T10:44:04.583536+00:00
-@@ -133,8 +133,5 @@
+--- anstream-0.6.14/Cargo.toml	1970-01-01T00:00:01+00:00
++++ anstream-0.6.14/Cargo.toml	2024-07-02T12:18:12.596325+00:00
+@@ -141,11 +141,7 @@
      "wincon",
  ]
  test = []
 -wincon = ["dep:anstyle-wincon"]
-+wincon = []
- 
+-
 -[target."cfg(windows)".dependencies.anstyle-wincon]
 -version = "3.0.1"
 -optional = true
++wincon = []
+ 
+ [lints.clippy]
+ bool_assert_comparison = "allow"
+@@ -216,3 +212,4 @@
+ unused_lifetimes = "warn"
+ unused_macro_rules = "warn"
+ unused_qualifications = "warn"
++
diff --git a/anstream-fix-metadata.diff b/anstream-fix-metadata.diff
index f483b73..0561061 100644
--- a/anstream-fix-metadata.diff
+++ b/anstream-fix-metadata.diff
@@ -1,8 +1,8 @@
---- anstream-0.6.13/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ anstream-0.6.13/Cargo.toml	2024-02-29T10:44:20.697603+00:00
-@@ -83,18 +83,6 @@
- [Unreleased]: https://github.com/rust-cli/anstyle/compare/{{tag_name}}...HEAD"""
- search = "<!-- next-url -->"
+--- anstream-0.6.14/Cargo.toml	1970-01-01T00:00:01+00:00
++++ anstream-0.6.14/Cargo.toml	2024-07-02T12:20:01.373905+00:00
+@@ -88,18 +88,6 @@
+ name = "query-stream"
+ required-features = ["auto"]
  
 -[[bench]]
 -name = "strip"
@@ -19,13 +19,18 @@
  [dependencies.anstyle]
  version = "1.0.0"
  
-@@ -110,9 +98,6 @@
+@@ -113,14 +101,8 @@
+ [dependencies.colorchoice]
+ version = "1.0.0"
  
+-[dependencies.is_terminal_polyfill]
+-version = "1.48"
+-
  [dependencies.utf8parse]
  version = "0.2.1"
 -
--[dev-dependencies.criterion]
--version = "0.5.1"
+-[dev-dependencies.divan]
+-version = "0.1.11"
  
  [dev-dependencies.lexopt]
  version = "0.3.0"
diff --git a/rust-anstream.spec b/rust-anstream.spec
index 5a4fda7..e8f3b73 100644
--- a/rust-anstream.spec
+++ b/rust-anstream.spec
@@ -5,7 +5,7 @@
 %global crate anstream
 
 Name:           rust-anstream
-Version:        0.6.13
+Version:        0.6.14
 Release:        %autorelease
 Summary:        Simple cross platform library for writing colored text to a terminal
 
@@ -15,8 +15,10 @@ Source:         %{crates_source}
 # Automatically generated patch to strip dependencies and normalize metadata
 Patch:          anstream-fix-metadata-auto.diff
 # Manually created patch for downstream crate metadata changes
-# * drop unused, benchmark-only criterion dev-dependency
+# * drop unused, benchmark-only divan dev-dependency
+# * drop unnecessary is-terminal polyfill (MSRV 1.65 -> 1.70 is OK downstream)
 Patch:          anstream-fix-metadata.diff
+Patch:          0001-drop-is_terminal_polyfill-and-replace-with-std-io-Is.patch
 
 BuildRequires:  cargo-rpm-macros >= 24
 
diff --git a/rust2rpm.toml b/rust2rpm.toml
new file mode 100644
index 0000000..f1be50a
--- /dev/null
+++ b/rust2rpm.toml
@@ -0,0 +1,6 @@
+[package]
+cargo-toml-patch-comments = [
+    "drop unused, benchmark-only divan dev-dependency",
+    "drop unnecessary is-terminal polyfill (MSRV 1.65 -> 1.70 is OK downstream)",
+]
+
diff --git a/sources b/sources
index 8114015..f2c0603 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (anstream-0.6.13.crate) = 4f9ccfd135de9be22a01230f39d571c8d8ccf7c3eba837fbf0868c9660693b60ee0c1c2f9490a587d5307e892ed45cb946da7a0690a9f972619c94fb050bde09
+SHA512 (anstream-0.6.14.crate) = 65ece20958e3fb1ed4a5ff1d45f5bfdcb942c64994a3d14eefb0dfd5b04f433f6e1b06ebff240c67ed8ff7cc01d93ca0acf8c8ea29cb41309c6c882e7c192b34