diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index dd13f422024..29d013cecc6 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -13727,14 +13727,14 @@ criterion.")
 (define-public rust-critical-section-1
   (package
     (name "rust-critical-section")
-    (version "1.1.0")
+    (version "1.1.1")
     (source (origin
               (method url-fetch)
               (uri (crate-uri "critical-section" version))
               (file-name (string-append name "-" version ".tar.gz"))
               (sha256
                (base32
-                "06p0j7yy289six3k7j3m3f1phk9n7h9x2cd8fjfbw6fhh4aaaayh"))))
+                "0ljyfwzl8avwsr42kqmg7mmcw01d5rn1m8gnw48y2j95bnns0j35"))))
     (build-system cargo-build-system)
     (home-page "https://github.com/rust-embedded/critical-section")
     (synopsis "Critical section abstraction")