diff --git a/Cargo.lock b/Cargo.lock
index 20897875c..3d1c8f331 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1051,9 +1051,9 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
 [[package]]
 name = "quil-rs"
-version = "0.11.1"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "feff28a69053af88a708e5aaf6b07cb6e0b22567a7c6dde5085311c9879c5c3a"
+checksum = "a8dab267ecfb8d9ca6d5cf69885c05a7dd2b4beec32df520ee9b937f99e08596"
 dependencies = [
  "indexmap",
  "lexical",
diff --git a/qcs/Cargo.toml b/qcs/Cargo.toml
index 145b9444f..85ff4b8b3 100644
--- a/qcs/Cargo.toml
+++ b/qcs/Cargo.toml
@@ -20,7 +20,7 @@ lazy_static = "1.4.0"
 log = "0.4.17"
 num = "0.4.0"
 qcs-api = { version = "0.0.6", path = "../qcs-api" }
-quil-rs = "0.11.1"
+quil-rs = "0.12.0"
 reqwest = { version = "0.11.11", features = ["rustls", "json"] }
 rmp-serde = "1.1.0"
 serde = { version = "1.0.137", features = ["derive"] }
diff --git a/qcs/src/qpu/execution.rs b/qcs/src/qpu/execution.rs
index ed14093a8..73744f221 100644
--- a/qcs/src/qpu/execution.rs
+++ b/qcs/src/qpu/execution.rs
@@ -201,12 +201,10 @@ impl<'a> Execution<'a> {
             NativeQuil::assume_native_quil(quil.to_string())
         };
 
-        let program =
-            NativeQuilProgram::try_from(native_quil).map_err(|e| Error::Quil(format!("{}", e)))?;
+        let program = NativeQuilProgram::try_from(native_quil).map_err(Error::Quil)?;
 
         Ok(Self {
-            program: RewrittenProgram::try_from(program)
-                .map_err(|e| Error::Quil(format!("{}", e)))?,
+            program: RewrittenProgram::try_from(program).map_err(|e| Error::Quil(e.to_string()))?,
             quantum_processor_id,
             shots,
             qcs: None,
diff --git a/qcs/src/qvm/execution.rs b/qcs/src/qvm/execution.rs
index a16581cf7..0ec1bf2d4 100644
--- a/qcs/src/qvm/execution.rs
+++ b/qcs/src/qvm/execution.rs
@@ -22,7 +22,7 @@ impl Execution {
     /// Construct a new [`Execution`] from Quil. Immediately parses the Quil and returns an error if
     /// there are any problems.
     pub(crate) fn new(quil: &str) -> Result<Self, Error> {
-        let program = Program::from_str(quil).map_err(|e| Error::Parsing(format!("{}", e)))?;
+        let program = Program::from_str(quil).map_err(Error::Parsing)?;
         Ok(Self { program })
     }