diff --git a/Cargo.lock b/Cargo.lock
index 06c13942957..e0bf24f1eda 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4074,6 +4074,7 @@ name = "rustc_lexer"
 version = "0.0.0"
 dependencies = [
  "expect-test",
+ "literal-escaper",
  "memchr",
  "unicode-properties",
  "unicode-xid",
diff --git a/compiler/rustc_lexer/Cargo.toml b/compiler/rustc_lexer/Cargo.toml
index 4b3492fdeda..5789cd01958 100644
--- a/compiler/rustc_lexer/Cargo.toml
+++ b/compiler/rustc_lexer/Cargo.toml
@@ -16,6 +16,7 @@ Rust lexer used by rustc. No stability guarantees are provided.
 [dependencies]
 memchr = "2.7.4"
 unicode-xid = "0.2.0"
+literal-escaper = { path = "../../library/literal-escaper" }
 
 [dependencies.unicode-properties]
 version = "0.1.0"
diff --git a/compiler/rustc_lexer/src/lib.rs b/compiler/rustc_lexer/src/lib.rs
index 334f451a39c..587ef89566a 100644
--- a/compiler/rustc_lexer/src/lib.rs
+++ b/compiler/rustc_lexer/src/lib.rs
@@ -31,6 +31,9 @@ mod cursor;
 #[cfg(test)]
 mod tests;
 
+// FIXME: This is needed for rust-analyzer. Remove this dependency once rust-analyzer uses
+// `literal-escaper`.
+pub use literal_escaper as unescape;
 use unicode_properties::UnicodeEmoji;
 pub use unicode_xid::UNICODE_VERSION as UNICODE_XID_VERSION;