diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d7f370..43955eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 v0.3.0 (in development)
 -----------------------
+- Changed the receiver of `InPlace::open()` from `&mut self` to `&self`
 
 v0.2.0 (2023-12-22)
 -------------------
diff --git a/src/lib.rs b/src/lib.rs
index 205ffcd..a17cb35 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -162,7 +162,7 @@ impl InPlace {
     ///
     /// See the documentation for the variants of [`InPlaceErrorKind`] for the
     /// operations & checks that this method can fail on.
-    pub fn open(&mut self) -> Result<InPlaceFile, InPlaceError> {
+    pub fn open(&self) -> Result<InPlaceFile, InPlaceError> {
         let path = if self.follow_symlinks {
             self.path
                 .canonicalize()