diff --git a/CHANGELOG.md b/CHANGELOG.md
index 534072e4..f8ee1708 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,13 @@
 This file lists the most important changes made in each release of
 `textwrap`.
 
+## Version 0.14.1 (2021-06-26)
+
+This release fixes a panic reported by @Makoto, thanks!
+
+* [#391](https://github.com/mgeisler/textwrap/pull/391): Fix panic in
+  `find_words` due to string access outside of a character boundary.
+
 ## Version 0.14.0 (2021-06-05)
 
 This is a major feature release which makes Textwrap more configurable
diff --git a/Cargo.toml b/Cargo.toml
index 7539b62f..152c856a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "textwrap"
-version = "0.14.0"
+version = "0.14.1"
 authors = ["Martin Geisler <martin@geisler.net>"]
 description = "Powerful library for word wrapping, indenting, and dedenting strings"
 documentation = "https://docs.rs/textwrap/"
diff --git a/images/textwrap-0.14.1.svg b/images/textwrap-0.14.1.svg
new file mode 100644
index 00000000..bc234068
--- /dev/null
+++ b/images/textwrap-0.14.1.svg
@@ -0,0 +1,21 @@
+<svg height="116pt" viewBox="0 0 485.29 116" width="485pt" xmlns="http://www.w3.org/2000/svg">
+<g transform="translate(4 112)">
+<path d="m-4 4v-116h485.29v116z" fill="#fff"/>
+<path d="m237.2-108h-83v36h83z" fill="none" stroke="#000"/>
+<text font-family="monospace" font-size="14" text-anchor="middle" x="195.7" y="-86.3">textwrap</text>
+<ellipse cx="37.7" cy="-18" fill="none" rx="37.89" ry="18" stroke="#000" stroke-dasharray="5 2"/>
+<text font-family="monospace" font-size="14" text-anchor="middle" x="37.7" y="-14.3">smawk</text>
+<g stroke="#000">
+<path d="m157.05-71.88c-25.33 11.22-58.22 25.79-83.05 36.8" fill="none" stroke-dasharray="1 5"/>
+<path d="m75.13-31.76-10.56.86 7.72-7.26z"/>
+<ellipse cx="195.7" cy="-18" fill="none" rx="102.08" ry="18" stroke-dasharray="5 2"/>
+</g>
+<text font-family="monospace" font-size="14" text-anchor="middle" x="195.7" y="-14.3">unicode-linebreak</text>
+<path d="m195.7-71.7v25.59" fill="none" stroke="#000" stroke-dasharray="1 5"/>
+<path d="m199.2-46.1-3.5 10-3.5-10z" stroke="#000"/>
+<ellipse cx="396.7" cy="-18" fill="none" rx="80.69" ry="18" stroke="#000" stroke-dasharray="5 2"/>
+<text font-family="monospace" font-size="14" text-anchor="middle" x="396.7" y="-14.3">unicode-width</text>
+<path d="m237.34-74.5c31.4 10.94 74.63 25.99 108.14 37.66" fill="none" stroke="#000" stroke-dasharray="1 5"/>
+<path d="m346.81-40.08 8.29 6.59-10.59.02z" stroke="#000"/>
+</g>
+</svg>
diff --git a/src/lib.rs b/src/lib.rs
index 5a3f4b1b..ae014edf 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -124,7 +124,7 @@
 //! The full dependency graph, where dashed lines indicate optional
 //! dependencies, is shown below:
 //!
-//! <img src="https://raw.githubusercontent.com/mgeisler/textwrap/master/images/textwrap-0.14.0.svg">
+//! <img src="https://raw.githubusercontent.com/mgeisler/textwrap/master/images/textwrap-0.14.1.svg">
 //!
 //! ## Default Features
 //!
@@ -177,7 +177,7 @@
 //! [terminal_size]: https://docs.rs/terminal_size/
 //! [hyphenation]: https://docs.rs/hyphenation/
 
-#![doc(html_root_url = "https://docs.rs/textwrap/0.14.0")]
+#![doc(html_root_url = "https://docs.rs/textwrap/0.14.1")]
 #![forbid(unsafe_code)] // See https://github.com/mgeisler/textwrap/issues/210
 #![deny(missing_docs)]
 #![deny(missing_debug_implementations)]
@@ -1850,6 +1850,12 @@ mod tests {
         );
     }
 
+    #[test]
+    fn fill_unicode_boundary() {
+        // https://github.com/mgeisler/textwrap/issues/390
+        fill("\u{1b}!Ͽ", 10);
+    }
+
     #[test]
     #[cfg(not(feature = "smawk"))]
     #[cfg(not(feature = "unicode-linebreak"))]
diff --git a/src/word_separators.rs b/src/word_separators.rs
index cb1b8a9c..db03a91f 100644
--- a/src/word_separators.rs
+++ b/src/word_separators.rs
@@ -216,7 +216,7 @@ impl WordSeparator for UnicodeBreakProperties {
         let mut opportunities = unicode_linebreak::linebreaks(&stripped)
             .filter(|(idx, _)| {
                 #[allow(clippy::match_like_matches_macro)]
-                match &line[..*idx].chars().next_back() {
+                match &stripped[..*idx].chars().next_back() {
                     // We suppress breaks at ‘-’ since we want to control
                     // this via the WordSplitter.
                     Some('-') => false,