diff --git a/pkgs/development/python-modules/ocrmypdf/default.nix b/pkgs/development/python-modules/ocrmypdf/default.nix
index 4f9149cc72b6..3cfef7de78fe 100644
--- a/pkgs/development/python-modules/ocrmypdf/default.nix
+++ b/pkgs/development/python-modules/ocrmypdf/default.nix
@@ -29,7 +29,7 @@
 
 buildPythonPackage rec {
   pname = "ocrmypdf";
-  version = "16.5.0";
+  version = "16.6.2";
 
   disabled = pythonOlder "3.10";
 
@@ -45,7 +45,7 @@ buildPythonPackage rec {
     postFetch = ''
       rm "$out/.git_archival.txt"
     '';
-    hash = "sha256-jqe4BRW0U7gqcf+FtDWjDDvRStAqaEPTuU+B+BrFR5Y=";
+    hash = "sha256-065PeCsNfAvZTLyWz3toTrE/e944mzfuwRQvKXxdnd0=";
   };
 
   patches = [
diff --git a/pkgs/development/python-modules/ocrmypdf/paths.patch b/pkgs/development/python-modules/ocrmypdf/paths.patch
index 3e2a3a5d507b..164b7f66a4dc 100644
--- a/pkgs/development/python-modules/ocrmypdf/paths.patch
+++ b/pkgs/development/python-modules/ocrmypdf/paths.patch
@@ -96,15 +96,15 @@ index 102bdab8..bfef4400 100644
          args.extend(['-l', '+'.join(langs)])
      if engine_mode is not None:
 diff --git a/src/ocrmypdf/_exec/unpaper.py b/src/ocrmypdf/_exec/unpaper.py
-index d1165c46..7c732b15 100644
+index a5a92f4c..6cf56eb3 100644
 --- a/src/ocrmypdf/_exec/unpaper.py
 +++ b/src/ocrmypdf/_exec/unpaper.py
 @@ -48,7 +48,7 @@ class UnpaperImageTooLargeError(Exception):
  
  
  def version() -> Version:
--    return Version(get_version('unpaper'))
-+    return Version(get_version('@unpaper@'))
+-    return Version(get_version('unpaper', regex=r'(?m).*?(\d+(\.\d+)(\.\d+)?)'))
++    return Version(get_version('@unpaper@', regex=r'(?m).*?(\d+(\.\d+)(\.\d+)?)'))
  
  
  @contextmanager