diff --git a/pkgs/development/python-modules/ocrmypdf/default.nix b/pkgs/development/python-modules/ocrmypdf/default.nix
index b6aef62dd74d..71506e60b60e 100644
--- a/pkgs/development/python-modules/ocrmypdf/default.nix
+++ b/pkgs/development/python-modules/ocrmypdf/default.nix
@@ -30,7 +30,7 @@
 
 buildPythonPackage rec {
   pname = "ocrmypdf";
-  version = "12.7.0";
+  version = "12.7.2";
 
   src = fetchFromGitHub {
     owner = "jbarlow83";
@@ -42,7 +42,7 @@ buildPythonPackage rec {
     extraPostFetch = ''
       rm "$out/.git_archival.txt"
     '';
-    sha256 = "sha256-lpTuaZRrmFoKV1SAFoGpsYfPBkLB2+iB63fg3t9RC5o=";
+    sha256 = "sha256-+mh7NgAk7R/94FXjRV+SLy478pZwYLLS8HwCazEbMf4=";
   };
 
   SETUPTOOLS_SCM_PRETEND_VERSION = version;
diff --git a/pkgs/development/python-modules/pikepdf/default.nix b/pkgs/development/python-modules/pikepdf/default.nix
index ab78f2262445..9f04e68a378f 100644
--- a/pkgs/development/python-modules/pikepdf/default.nix
+++ b/pkgs/development/python-modules/pikepdf/default.nix
@@ -24,7 +24,7 @@
 
 buildPythonPackage rec {
   pname = "pikepdf";
-  version = "3.2.0";
+  version = "4.0.1.post1";
   disabled = ! isPy3k;
 
   src = fetchFromGitHub {
@@ -37,7 +37,7 @@ buildPythonPackage rec {
     extraPostFetch = ''
       rm "$out/.git_archival.txt"
     '';
-    sha256 = "03c7ihd6rf6kdfc3cpgxy5pi6cj4zwscz8nyxmmp15fmdk3hkw4g";
+    sha256 = "sha256-s7eS7jYGohYt75/r++4v9K6BRfiQ3drdG5wbIL3WoiU=";
   };
 
   patches = [
diff --git a/pkgs/development/python-modules/pikepdf/paths.patch b/pkgs/development/python-modules/pikepdf/paths.patch
index 807041696ad6..17349f7ac209 100644
--- a/pkgs/development/python-modules/pikepdf/paths.patch
+++ b/pkgs/development/python-modules/pikepdf/paths.patch
@@ -1,16 +1,16 @@
 diff --git a/src/pikepdf/_methods.py b/src/pikepdf/_methods.py
-index 70cdc9e..c3a14d0 100644
+index 9db6b49..4020bcf 100644
 --- a/src/pikepdf/_methods.py
 +++ b/src/pikepdf/_methods.py
-@@ -190,7 +190,7 @@ def _mudraw(buffer, fmt) -> bytes:
+@@ -204,7 +204,7 @@ def _mudraw(buffer, fmt) -> bytes:
          tmp_in.flush()
  
          proc = run(
 -            ['mudraw', '-F', fmt, '-o', '-', tmp_in.name],
 +            ['@mudraw@', '-F', fmt, '-o', '-', tmp_in.name],
-             stdout=PIPE,
-             stderr=PIPE,
+             capture_output=True,
              check=True,
+         )
 diff --git a/src/pikepdf/jbig2.py b/src/pikepdf/jbig2.py
 index 80cc910..64f6d31 100644
 --- a/src/pikepdf/jbig2.py