diff --git a/pkgs/development/python-modules/ocrmypdf/default.nix b/pkgs/development/python-modules/ocrmypdf/default.nix
index 751e2072a29a..c6e16c25d52c 100644
--- a/pkgs/development/python-modules/ocrmypdf/default.nix
+++ b/pkgs/development/python-modules/ocrmypdf/default.nix
@@ -31,7 +31,7 @@
 
 buildPythonPackage rec {
   pname = "ocrmypdf";
-  version = "15.4.3";
+  version = "15.4.0";
 
   disabled = pythonOlder "3.9";
 
@@ -47,7 +47,7 @@ buildPythonPackage rec {
     postFetch = ''
       rm "$out/.git_archival.txt"
     '';
-    hash = "sha256-mMop5BpODzorRgvGbpHCR80uKYT/CE2VEX8RF4Dh1hw=";
+    hash = "sha256-cbKqisaRAeT8ljANbYiUDrptAoQmmIkMu1ya8O6nXvQ=";
   };
 
   SETUPTOOLS_SCM_PRETEND_VERSION = version;
diff --git a/pkgs/development/python-modules/ocrmypdf/paths.patch b/pkgs/development/python-modules/ocrmypdf/paths.patch
index 1701a73215d0..a1db7c690bcf 100644
--- a/pkgs/development/python-modules/ocrmypdf/paths.patch
+++ b/pkgs/development/python-modules/ocrmypdf/paths.patch
@@ -1,16 +1,16 @@
 diff --git a/src/ocrmypdf/_exec/ghostscript.py b/src/ocrmypdf/_exec/ghostscript.py
-index 94eec244..4bb15db9 100644
+index 92b73a0a..9f04555c 100644
 --- a/src/ocrmypdf/_exec/ghostscript.py
 +++ b/src/ocrmypdf/_exec/ghostscript.py
-@@ -31,7 +31,7 @@ COLOR_CONVERSION_STRATEGIES = frozenset(
-     ]
- )
+@@ -58,7 +58,7 @@ log.addFilter(DuplicateFilter(log))
+ 
+ 
  # Ghostscript executable - gswin32c is not supported
 -GS = 'gswin64c' if os.name == 'nt' else 'gs'
 +GS = '@gs@'
  
  
- log = logging.getLogger(__name__)
+ def version() -> Version:
 diff --git a/src/ocrmypdf/_exec/jbig2enc.py b/src/ocrmypdf/_exec/jbig2enc.py
 index 5a34a95a..5ee1b333 100644
 --- a/src/ocrmypdf/_exec/jbig2enc.py
diff --git a/pkgs/development/python-modules/pikepdf/default.nix b/pkgs/development/python-modules/pikepdf/default.nix
index a9b445a5f9ff..0891ad28ec3f 100644
--- a/pkgs/development/python-modules/pikepdf/default.nix
+++ b/pkgs/development/python-modules/pikepdf/default.nix
@@ -5,10 +5,9 @@
 , hypothesis
 , pythonOlder
 , jbig2dec
-, deprecated
+, deprecation
 , lxml
 , mupdf
-, numpy
 , packaging
 , pillow
 , psutil
@@ -25,7 +24,7 @@
 
 buildPythonPackage rec {
   pname = "pikepdf";
-  version = "8.7.1";
+  version = "8.4.0";
   format = "pyproject";
 
   disabled = pythonOlder "3.8";
@@ -40,7 +39,7 @@ buildPythonPackage rec {
     postFetch = ''
       rm "$out/.git_archival.txt"
     '';
-    hash = "sha256-uAx3Egz/woJINpruDaZOyuAlbIZUMv93VNaFHLmUjCY=";
+    hash = "sha256-48tb5bhmBdKVjMld07303qIi5C16yaf+5TpRPVC6EQk=";
   };
 
   patches = [
@@ -69,7 +68,6 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     attrs
     hypothesis
-    numpy
     pytest-xdist
     psutil
     pytestCheckHook
@@ -78,7 +76,7 @@ buildPythonPackage rec {
   ];
 
   propagatedBuildInputs = [
-    deprecated
+    deprecation
     lxml
     packaging
     pillow
diff --git a/pkgs/development/python-modules/pikepdf/paths.patch b/pkgs/development/python-modules/pikepdf/paths.patch
index c9c61176aa6f..43e472f5598a 100644
--- a/pkgs/development/python-modules/pikepdf/paths.patch
+++ b/pkgs/development/python-modules/pikepdf/paths.patch
@@ -1,8 +1,8 @@
 diff --git a/src/pikepdf/_methods.py b/src/pikepdf/_methods.py
-index d27c660..6796984 100644
+index 2a170c6..5ee3ba1 100644
 --- a/src/pikepdf/_methods.py
 +++ b/src/pikepdf/_methods.py
-@@ -72,7 +72,7 @@ def _mudraw(buffer, fmt) -> bytes:
+@@ -80,7 +80,7 @@ def _mudraw(buffer, fmt) -> bytes:
          tmp_in.flush()
  
          proc = run(
@@ -12,22 +12,22 @@ index d27c660..6796984 100644
              check=True,
          )
 diff --git a/src/pikepdf/jbig2.py b/src/pikepdf/jbig2.py
-index f89b4f9..f187ebd 100644
+index 28c596b..aff3565 100644
 --- a/src/pikepdf/jbig2.py
 +++ b/src/pikepdf/jbig2.py
-@@ -63,7 +63,7 @@ class JBIG2Decoder(JBIG2DecoderInterface):
-             output_path = Path(tmpdir) / "outfile"
- 
-             args = [
--                "jbig2dec",
-+                "@jbig2dec@",
-                 "--embedded",
-                 "--format",
-                 "png",
-@@ -90,7 +90,7 @@ class JBIG2Decoder(JBIG2DecoderInterface):
+@@ -28,7 +28,7 @@ def _extract_jbig2_bytes(jbig2: bytes, jbig2_globals: bytes) -> bytes:
+         output_path = Path(tmpdir) / "outfile"
+
+         args = [
+-            "jbig2dec",
++            "@jbig2dec@",
+             "--embedded",
+             "--format",
+             "png",
+@@ -88,7 +88,7 @@ class JBIG2Decoder(JBIG2DecoderInterface):
      def _version(self) -> Version:
          try:
-             proc = self._run(
+             proc = run(
 -                ['jbig2dec', '--version'], stdout=PIPE, check=True, encoding='ascii'
 +                ['@jbig2dec@', '--version'], stdout=PIPE, check=True, encoding='ascii'
              )