diff --git a/.gitignore b/.gitignore
index f352bee..eb7f62f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /jiff-0.1.13.crate
 /jiff-0.1.14.crate
 /jiff-0.1.15.crate
+/jiff-0.1.16.crate
diff --git a/0001-Downstream-only-omit-tests-that-require-serde_yml.patch b/0001-Downstream-only-omit-tests-that-require-serde_yml.patch
new file mode 100644
index 0000000..00a7725
--- /dev/null
+++ b/0001-Downstream-only-omit-tests-that-require-serde_yml.patch
@@ -0,0 +1,109 @@
+From 684ec78f8f001e65d3778b5e8f0661d41d3c4a8a Mon Sep 17 00:00:00 2001
+From: "Benjamin A. Beasley" <code@musicinmybrain.net>
+Date: Thu, 26 Dec 2024 18:51:44 -0500
+Subject: [PATCH] Downstream-only: omit tests that require serde_yml
+
+---
+ src/civil/date.rs      | 2 ++
+ src/civil/datetime.rs  | 2 ++
+ src/civil/time.rs      | 2 ++
+ src/signed_duration.rs | 2 ++
+ src/span.rs            | 2 ++
+ src/timestamp.rs       | 2 ++
+ src/zoned.rs           | 2 ++
+ 7 files changed, 14 insertions(+)
+
+diff --git a/src/civil/date.rs b/src/civil/date.rs
+index 1b413fe..039bc97 100644
+--- a/src/civil/date.rs
++++ b/src/civil/date.rs
+@@ -4009,6 +4009,8 @@ mod tests {
+         }
+     }
+ 
++    // Downstream-only: omit tests that require serde_yml
++    #[cfg(any())]
+     /// # `serde` deserializer compatibility test
+     ///
+     /// Serde YAML used to be unable to deserialize `jiff` types,
+diff --git a/src/civil/datetime.rs b/src/civil/datetime.rs
+index e1249b3..ea14006 100644
+--- a/src/civil/datetime.rs
++++ b/src/civil/datetime.rs
+@@ -4280,6 +4280,8 @@ mod tests {
+         }
+     }
+ 
++    // Downstream-only: omit tests that require serde_yml
++    #[cfg(any())]
+     /// # `serde` deserializer compatibility test
+     ///
+     /// Serde YAML used to be unable to deserialize `jiff` types,
+diff --git a/src/civil/time.rs b/src/civil/time.rs
+index c7d252b..dc8ca9f 100644
+--- a/src/civil/time.rs
++++ b/src/civil/time.rs
+@@ -3363,6 +3363,8 @@ mod tests {
+         assert_eq!(got, expected);
+     }
+ 
++    // Downstream-only: omit tests that require serde_yml
++    #[cfg(any())]
+     /// # `serde` deserializer compatibility test
+     ///
+     /// Serde YAML used to be unable to deserialize `jiff` types,
+diff --git a/src/signed_duration.rs b/src/signed_duration.rs
+index f002d7c..8e8a42b 100644
+--- a/src/signed_duration.rs
++++ b/src/signed_duration.rs
+@@ -2255,6 +2255,8 @@ mod tests {
+         assert_eq!(None, add((i64::MIN, -1), (0, -999_999_999)));
+     }
+ 
++    // Downstream-only: omit tests that require serde_yml
++    #[cfg(any())]
+     /// # `serde` deserializer compatibility test
+     ///
+     /// Serde YAML used to be unable to deserialize `jiff` types,
+diff --git a/src/span.rs b/src/span.rs
+index ebe96e5..93f8f0d 100644
+--- a/src/span.rs
++++ b/src/span.rs
+@@ -6464,6 +6464,8 @@ mod tests {
+         }
+     }
+ 
++    // Downstream-only: omit tests that require serde_yml
++    #[cfg(any())]
+     /// # `serde` deserializer compatibility test
+     ///
+     /// Serde YAML used to be unable to deserialize `jiff` types,
+diff --git a/src/timestamp.rs b/src/timestamp.rs
+index 79230b4..83c366c 100644
+--- a/src/timestamp.rs
++++ b/src/timestamp.rs
+@@ -3701,6 +3701,8 @@ mod tests {
+         }
+     }
+ 
++    // Downstream-only: omit tests that require serde_yml
++    #[cfg(any())]
+     /// # `serde` deserializer compatibility test
+     ///
+     /// Serde YAML used to be unable to deserialize `jiff` types,
+diff --git a/src/zoned.rs b/src/zoned.rs
+index 1627167..5bea022 100644
+--- a/src/zoned.rs
++++ b/src/zoned.rs
+@@ -5251,6 +5251,8 @@ mod tests {
+         }
+     }
+ 
++    // Downstream-only: omit tests that require serde_yml
++    #[cfg(any())]
+     /// # `serde` deserializer compatibility test
+     ///
+     /// Serde YAML used to be unable to deserialize `jiff` types,
+-- 
+2.47.1
+
diff --git a/173.patch b/173.patch
new file mode 100644
index 0000000..8b4d8ac
--- /dev/null
+++ b/173.patch
@@ -0,0 +1,22 @@
+From 692c9f7ebe20450269666cddeca75023c8a34a79 Mon Sep 17 00:00:00 2001
+From: "Benjamin A. Beasley" <code@musicinmybrain.net>
+Date: Thu, 26 Dec 2024 16:04:32 -0500
+Subject: [PATCH] Fix a small typo in CHANGELOG.md
+
+---
+ CHANGELOG.md | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/CHANGELOG.md b/CHANGELOG.md
+index 6281f33..e0f1c5a 100644
+--- a/CHANGELOG.md
++++ b/CHANGELOG.md
+@@ -72,7 +72,7 @@ adding duration to now: 2026-02-26T19:00:57-05:00[America/New_York]
+ With Jiff, you should no longer need to pull in crates like
+ [`humantime`](https://docs.rs/humantime) and
+ [`humantime-serde`](https://docs.rs/humantime-serde)
+-to accomplished a similar task.
++to accomplish a similar task.
+ 
+ While this new format doesn't support any kind of internationalization, the
+ prevalence of the `humantime` crate suggests there's a desire for something
diff --git a/jiff-fix-metadata-auto.diff b/jiff-fix-metadata-auto.diff
index b0fbb68..636457b 100644
--- a/jiff-fix-metadata-auto.diff
+++ b/jiff-fix-metadata-auto.diff
@@ -1,6 +1,6 @@
---- jiff-0.1.15/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ jiff-0.1.15/Cargo.toml	2024-12-09T14:41:20.406646+00:00
-@@ -131,46 +131,22 @@
+--- jiff-0.1.16/Cargo.toml	1970-01-01T00:00:01+00:00
++++ jiff-0.1.16/Cargo.toml	2024-12-27T00:19:01.399220+00:00
+@@ -142,8 +142,6 @@
      "tzdb-zoneinfo",
  ]
  js = [
@@ -9,7 +9,8 @@
  ]
  logging = ["dep:log"]
  serde = ["dep:serde"]
- std = ["alloc"]
+@@ -153,38 +151,16 @@
+ ]
  tz-system = [
      "std",
 -    "dep:windows-sys",
diff --git a/jiff-fix-metadata.diff b/jiff-fix-metadata.diff
index 1434146..e02c256 100644
--- a/jiff-fix-metadata.diff
+++ b/jiff-fix-metadata.diff
@@ -1,15 +1,16 @@
---- jiff-0.1.15/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ jiff-0.1.15/Cargo.toml	2024-12-09T14:41:20.408646+00:00
-@@ -85,7 +85,7 @@
- features = ["serde"]
+--- jiff-0.1.16/Cargo.toml	1970-01-01T00:00:01+00:00
++++ jiff-0.1.16/Cargo.toml	2024-12-27T00:19:01.401220+00:00
+@@ -113,9 +113,6 @@
+ [dev-dependencies.serde_json]
+ version = "1.0.117"
  
- [dev-dependencies.chrono-tz]
--version = "0.9.0"
-+version = ">=0.9,<0.11"
+-[dev-dependencies.serde_yml]
+-version = "0.0.12"
+-
+ [dev-dependencies.tabwriter]
+ version = "1.4.0"
  
- [dev-dependencies.icu]
- version = "1.5.0"
-@@ -147,6 +147,3 @@
+@@ -161,6 +158,3 @@
  ]
  tzdb-zoneinfo = ["std"]
  
diff --git a/rust-jiff.spec b/rust-jiff.spec
index cffa790..21ac6c7 100644
--- a/rust-jiff.spec
+++ b/rust-jiff.spec
@@ -5,7 +5,7 @@
 %global crate jiff
 
 Name:           rust-jiff
-Version:        0.1.15
+Version:        0.1.16
 Release:        %autorelease
 Summary:        Date-time library that encourages you to jump into the pit of success
 
@@ -16,14 +16,18 @@ Source:         %{crates_source}
 Patch:          jiff-fix-metadata-auto.diff
 # Manually created patch for downstream crate metadata changes
 # * Drop dev-dependency hifitime: not packaged, and only for doctests
-# * Relax chrono-tz dependency to allow building with 0.9 and 0.10:
-#   https://github.com/BurntSushi/jiff/pull/167
+# * Drop dev-dependency serde_yml: not packaged; we have patched out the tests
+#   that require it
 Patch:          jiff-fix-metadata.diff
 # * Downstream-only: Omit doctests that require hifitime. It is not worth
 #   packaging it solely for a couple of tiny examples.
 Patch10:        0001-Downstream-only-Omit-doctests-that-require-hifitime.patch
 # * Downstream-only: Omit doctests that require icu.
 Patch11:        0001-Downstream-only-Omit-doctests-that-require-icu.patch
+# * Downstream-only: Omit tests that require serde_yml.
+Patch12:        0001-Downstream-only-omit-tests-that-require-serde_yml.patch
+# * Fix a small typo in CHANGELOG.md
+Patch13:        https://github.com/BurntSushi/jiff/pull/173.patch
 # * EPEL9: Ignore doctests that require very recent Rust compilers
 # * In this crate, doctests and examples (but not the lib and integration tests)
 #   are allowed to use Rust features from versions newer than the MSRV. It’s
diff --git a/rust2rpm.toml b/rust2rpm.toml
index c988273..1304779 100644
--- a/rust2rpm.toml
+++ b/rust2rpm.toml
@@ -20,8 +20,8 @@ cargo-toml-patch-comments = [
     # target.'cfg(not(target_family = "wasm"))', manual patching is easier.
     "Drop dev-dependency hifitime: not packaged, and only for doctests",
     """\
-    Relax chrono-tz dependency to allow building with 0.9 and 0.10: \
-    https://github.com/BurntSushi/jiff/pull/167\
+    Drop dev-dependency serde_yml: not packaged; we have patched out the tests \
+    that require it\
     """,
 ]
 
@@ -44,6 +44,22 @@ comments = [
     """,
 ]
 
+[[package.extra-patches]]
+number = 12
+file = "0001-Downstream-only-omit-tests-that-require-serde_yml.patch"
+comments = [
+    """\
+    Downstream-only: Omit tests that require serde_yml.\
+    """,
+]
+
+[[package.extra-patches]]
+number = 13
+file = "https://github.com/BurntSushi/jiff/pull/173.patch"
+comments = [
+    "Fix a small typo in CHANGELOG.md",
+]
+
 [[package.extra-patches]]
 number = 1009
 file = "0001-EPEL9-Ignore-doctests-that-require-very-recent-Rust-.patch"
diff --git a/sources b/sources
index fc958a5..ccadc0d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (jiff-0.1.15.crate) = 42f173c8f9b819c400325c9c50aa5a0808617d900a97bb3f61d55cdffc0a013cff356ae61ab15a39917bc366221968e1479ca072330af8bd145710195c47404c
+SHA512 (jiff-0.1.16.crate) = e83ba1e75ad848666f3ed68c14c1f9a82cdb92360add760ec259837c562e487a830766981026ee7d537b701478b3713f80f52d8f996ade4eb1a126be126f200e