diff --git a/gnu/packages/qt.scm b/gnu/packages/qt.scm
index 2d604fedae..4e333e8758 100644
--- a/gnu/packages/qt.scm
+++ b/gnu/packages/qt.scm
@@ -2218,13 +2218,13 @@ (define-public qtwebview
 (define-public qtlanguageserver
   (package
     (name "qtlanguageserver")
-    (version "6.6.2")
+    (version "6.6.3")
     (source (origin
               (method url-fetch)
               (uri (qt-url name version))
               (sha256
                (base32
-                "1bgazi44mwac20biybhp21icgwa8k7jd295j8jsfgzxbw12lq7y3"))))
+                "136gyvkzm6skdv5yhyy4nqhbczfc2mn4nbr9hvpkpljb0awv888h"))))
     (build-system cmake-build-system)
     (arguments
      (list #:phases #~(modify-phases %standard-phases