diff --git a/pkgs/development/libraries/gdal/default.nix b/pkgs/development/libraries/gdal/default.nix
index 626c18352b03..5b30c5e1bf8d 100644
--- a/pkgs/development/libraries/gdal/default.nix
+++ b/pkgs/development/libraries/gdal/default.nix
@@ -239,6 +239,9 @@ stdenv.mkDerivation (finalAttrs: {
     # fixed and renamed in 3.8.0RC1
     # https://github.com/OSGeo/gdal/commit/c8b471ca1e6318866ff668d2b57bb6f076e3ae29
     "test_visoss_6"
+    # failing with PROJ 9.3.1
+    # https://github.com/OSGeo/gdal/issues/8908
+    "test_osr_esri_28"
   ] ++ lib.optionals (!stdenv.isx86_64) [
     # likely precision-related expecting x87 behaviour
     "test_jp2openjpeg_22"
diff --git a/pkgs/development/libraries/proj/default.nix b/pkgs/development/libraries/proj/default.nix
index ce1f74f0b153..fedb1b003d96 100644
--- a/pkgs/development/libraries/proj/default.nix
+++ b/pkgs/development/libraries/proj/default.nix
@@ -17,13 +17,13 @@
 
 stdenv.mkDerivation (finalAttrs: rec {
   pname = "proj";
-  version = "9.3.0";
+  version = "9.3.1";
 
   src = fetchFromGitHub {
     owner = "OSGeo";
     repo = "PROJ";
     rev = version;
-    hash = "sha256-M1KUXzht4qIjPfHxvzPr7XUnisMwtbegKp18XQjNYHg=";
+    hash = "sha256-M8Zgy5xnmZu7mzxXXGqaIfe7o7iMf/1sOJVOBsTvtdQ=";
   };
 
   patches = [