diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68c0801..eac2ff0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to Rust's notion of
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html). All versions prior
 to 1.0.0 are beta releases.
 
+## [0.5.1] - 2024-08-31
+### Fixed
+- Client requests are now correctly percent-encoded when necessary.
+
 ## [0.5.0] - 2021-08-28
 - Bumped `nom` crate to 7.*
 
diff --git a/Cargo.lock b/Cargo.lock
index efe2188..f679124 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "either"
 version = "1.13.0"
@@ -54,7 +56,7 @@ checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
 [[package]]
 name = "pinentry"
-version = "0.5.0"
+version = "0.5.1"
 dependencies = [
  "log",
  "nom",
diff --git a/Cargo.toml b/Cargo.toml
index 2b68d60..342c88e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "pinentry"
 description = "API for interacting with pinentry binaries"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["Jack Grigg <thestr4d@gmail.com>"]
 repository = "https://github.com/str4d/pinentry-rs"
 readme = "README.md"
diff --git a/src/assuan.rs b/src/assuan.rs
index b706e21..d9f4545 100644
--- a/src/assuan.rs
+++ b/src/assuan.rs
@@ -14,6 +14,7 @@ use crate::{Error, Result};
 ///
 /// Reference: https://gnupg.org/documentation/manuals/assuan/Server-responses.html
 #[derive(Debug)]
+#[allow(dead_code)]
 enum Response {
     /// Request was successful.
     Ok(Option<String>),
@@ -256,9 +257,9 @@ mod tests {
             ("bar\r\nbaz", " bar%0D%0Abaz\n"),
             ("foo\\", " foo%5C\n"),
         ];
-        for (p, want) in pairs {
+        for (p, want) in &pairs {
             let have = encode_request("", Some(p));
-            assert_eq!(have, want)
+            assert_eq!(&have, want)
         }
     }
 }