diff --git a/Cargo.lock b/Cargo.lock
index 80af0ce..8553191 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2120,7 +2120,7 @@ dependencies = [
  "radicle-git-ext 0.9.0",
  "serde",
  "serde_json",
- "serde_yaml",
+ "serde_yml",
  "tempfile",
  "thiserror 2.0.12",
  "time",
@@ -2440,19 +2440,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "serde_yaml"
-version = "0.9.34+deprecated"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a8b1a1a2ebf674015cc02edccce75287f1a0130d394307b36743c2f5d504b47"
-dependencies = [
- "indexmap",
- "itoa",
- "ryu",
- "serde",
- "unsafe-libyaml",
-]
-
 [[package]]
 name = "serde_yml"
 version = "0.0.12"
@@ -3143,12 +3130,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "unsafe-libyaml"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861"
-
 [[package]]
 name = "url"
 version = "2.5.4"
diff --git a/Cargo.toml b/Cargo.toml
index f82283a..029c281 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ radicle-ci-broker = "0.15.1"
 radicle-git-ext = "0.9.0"
 serde = { version = "1.0.219", features = ["derive"] }
 serde_json = "1.0.140"
-serde_yaml = "0.9.27"
+serde_yml = "0.0.12"
 tempfile = "3.19.1"
 thiserror = "2.0.12"
 time = { version = "0.3.41", features = ["formatting", "macros"] }
diff --git a/src/config.rs b/src/config.rs
index 4adef50..022b842 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -38,7 +38,7 @@ impl Config {
     pub fn read(filename: &Path) -> Result<Self, ConfigError> {
         let file = std::fs::File::open(filename)
             .map_err(|e| ConfigError::ReadConfig(filename.into(), e))?;
-        serde_yaml::from_reader(&file).map_err(|e| ConfigError::ParseConfig(filename.into(), e))
+        serde_yml::from_reader(&file).map_err(|e| ConfigError::ParseConfig(filename.into(), e))
     }
 
     /// Return configuration serialized to JSON.
@@ -55,7 +55,7 @@ pub enum ConfigError {
     ReadConfig(PathBuf, #[source] std::io::Error),
 
     #[error("failed to parse configuration file as YAML: {0}")]
-    ParseConfig(PathBuf, #[source] serde_yaml::Error),
+    ParseConfig(PathBuf, #[source] serde_yml::Error),
 
     #[error("failed to get environment variable {0}")]
     GetEnv(&'static str, #[source] std::env::VarError),
diff --git a/src/runlog.rs b/src/runlog.rs
index 5e2d65b..76a1994 100644
--- a/src/runlog.rs
+++ b/src/runlog.rs
@@ -212,7 +212,7 @@ impl RunLog {
         }
 
         if let Some(runspec) = &self.runspec {
-            let text = serde_yaml::to_string(&runspec).map_err(RunLogError::RunSpec)?;
+            let text = serde_yml::to_string(&runspec).map_err(RunLogError::RunSpec)?;
             body.push_child(toc.push(Element::new(Tag::Span).with_child(
                 Element::new(Tag::Code).with_child(Element::new(Tag::Code).with_text(RUNSPEC_PATH)),
             )));
@@ -363,5 +363,5 @@ pub enum RunLogError {
     Write(PathBuf, #[source] std::io::Error),
 
     #[error("failed to serialize run spec to YAML")]
-    RunSpec(#[source] serde_yaml::Error),
+    RunSpec(#[source] serde_yml::Error),
 }
diff --git a/src/runspec.rs b/src/runspec.rs
index 5b8bac7..838c378 100644
--- a/src/runspec.rs
+++ b/src/runspec.rs
@@ -19,7 +19,7 @@ impl RunSpec {
     pub fn from_file(filename: &Path) -> Result<Self, RunSpecError> {
         let file = std::fs::File::open(filename)
             .map_err(|e| RunSpecError::ReadRunSpec(filename.into(), e))?;
-        let runspec: RunSpec = serde_yaml::from_reader(&file)
+        let runspec: RunSpec = serde_yml::from_reader(&file)
             .map_err(|e| RunSpecError::ParseRunSpec(filename.into(), e))?;
         Ok(runspec)
     }
@@ -31,7 +31,7 @@ pub enum RunSpecError {
     ReadRunSpec(PathBuf, #[source] std::io::Error),
 
     #[error("failed to parse run spec as YAML: {0}")]
-    ParseRunSpec(PathBuf, #[source] serde_yaml::Error),
+    ParseRunSpec(PathBuf, #[source] serde_yml::Error),
 
     #[error(transparent)]
     Log(#[from] LogError),
diff --git a/tests/integration.rs b/tests/integration.rs
index fbe8b1c..2e03d55 100644
--- a/tests/integration.rs
+++ b/tests/integration.rs
@@ -350,7 +350,7 @@ impl TestCaseBuilder {
         std::fs::create_dir(git.path().join(".radicle"))?;
         git.write(
             ".radicle/native.yaml",
-            &serde_yaml::to_string(&runspec).unwrap(),
+            &serde_yml::to_string(&runspec).unwrap(),
         )?;
 
         // Commit everything.
@@ -365,7 +365,7 @@ impl TestCaseBuilder {
                 log: tmp.join("log.html"),
                 base_url: None,
             };
-            let config = serde_yaml::to_string(&config).unwrap();
+            let config = serde_yml::to_string(&config).unwrap();
             std::fs::write(filename, config)?;
         } else if let ConfigKind::ValidWithUrl(filename, url) = &config {
             let config = Config {
@@ -373,7 +373,7 @@ impl TestCaseBuilder {
                 log: tmp.join("log.html"),
                 base_url: Some(url.into()),
             };
-            let config = serde_yaml::to_string(&config).unwrap();
+            let config = serde_yml::to_string(&config).unwrap();
             std::fs::write(filename, config)?;
         }