diff --git a/pkgs/by-name/pr/proj/package.nix b/pkgs/by-name/pr/proj/package.nix
index daa00097c6df..cd72a4a99b79 100644
--- a/pkgs/by-name/pr/proj/package.nix
+++ b/pkgs/by-name/pr/proj/package.nix
@@ -17,13 +17,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "proj";
-  version = "9.8.0";
+  version = "9.8.1";
 
   src = fetchFromGitHub {
     owner = "OSGeo";
     repo = "PROJ";
     tag = finalAttrs.version;
-    hash = "sha256-LvzQ2sW+h5uHJg+6z8/Nf99EVIPUQfWoaNr0iFUpD/0=";
+    hash = "sha256-sOAxWihgU1TAMWcju5LN4cPenHHoGgd4oYJ4HA3F/Ks=";
   };
 
   patches = [
diff --git a/pkgs/development/python-modules/pyproj/default.nix b/pkgs/development/python-modules/pyproj/default.nix
index 08af3c39b38c..d4ceed75a4ca 100644
--- a/pkgs/development/python-modules/pyproj/default.nix
+++ b/pkgs/development/python-modules/pyproj/default.nix
@@ -43,14 +43,6 @@ buildPythonPackage rec {
       url = "https://github.com/pyproj4/pyproj/pull/1560.diff?full_index=1";
       hash = "sha256-fr+lvDeVFDagc9aHzaQhyZtWK2sy5kR7iImJsuxW8Z4=";
     })
-    (fetchpatch2 {
-      url = "https://github.com/pyproj4/pyproj/pull/1568.diff?full_index=1";
-      hash = "sha256-fVFg3/ikOk6LiRHA/u14g+ZFsROGE7me878Vvq4mxG4=";
-    })
-    (fetchpatch2 {
-      url = "https://github.com/pyproj4/pyproj/pull/1581.diff?full_index=1";
-      hash = "sha256-EdzUCt4P99ENS2qCBU30FUNnJYD0B2CqcmZXwEYLdVA=";
-    })
   ];
 
   build-system = [
@@ -90,6 +82,10 @@ buildPythonPackage rec {
     "test_sync__source_id__list"
     "test_sync_download"
     "test_transformer_group__download_grids"
+    # https://github.com/pyproj4/pyproj/issues/1588
+    "test_coordinate_operation__from_string"
+    "test_transformer_from_pipeline__input_types"
+    "test_transformer_from_pipeline__wkt_json"
   ];
 
   pythonImportsCheck = [