diff --git a/src/lib.rs b/src/lib.rs
index 31354ce4..22b0d4b0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,4 @@
-#![cfg_attr(coverage_nightly, feature(no_coverage))]
+#![cfg_attr(coverage_nightly, feature(coverage_attribute))]
 
 use indexmap::IndexMap;
 use parser::condition::ConditionFunction;
diff --git a/src/synthesizer/typescript/mod.rs b/src/synthesizer/typescript/mod.rs
index 315009f9..6addf93a 100644
--- a/src/synthesizer/typescript/mod.rs
+++ b/src/synthesizer/typescript/mod.rs
@@ -22,7 +22,7 @@ pub struct Typescript {
 }
 
 impl Typescript {
-    #[cfg_attr(coverage_nightly, no_coverage)]
+    #[cfg_attr(coverage_nightly, coverage(off))]
     #[deprecated(note = "Prefer using the Synthesizer API instead")]
     pub fn output(ir: CloudformationProgramIr) -> String {
         let mut output = Vec::new();