diff --git a/pkgs/applications/misc/coolreader/default.nix b/pkgs/applications/misc/coolreader/default.nix
index d043823a068a..dc32cbf2c2a4 100644
--- a/pkgs/applications/misc/coolreader/default.nix
+++ b/pkgs/applications/misc/coolreader/default.nix
@@ -3,13 +3,13 @@
 
 mkDerivation rec {
   pname = "coolreader";
-  version = "3.2.53";
+  version = "3.2.55";
 
   src = fetchFromGitHub {
     owner = "buggins";
     repo = pname;
     rev = "cr${version}";
-    sha256 = "sha256-5it70cwRV56OMZI4dny5uwxWgoF42tjcEC4g3MC548s=";
+    sha256 = "sha256-gYAaYGEjw7p6y4h5j6j/4Ld+b37Nv+kt04Wp+qb8gzY=";
   };
 
   nativeBuildInputs = [ cmake pkg-config ];