diff --git a/pkgs/by-name/ga/gaphor/fix-dulwich-api.patch b/pkgs/by-name/ga/gaphor/fix-dulwich-api.patch
deleted file mode 100644
index 8af56ca1aa8e..000000000000
--- a/pkgs/by-name/ga/gaphor/fix-dulwich-api.patch
+++ /dev/null
@@ -1,29 +0,0 @@
-From 7f4f7fcd97acef841e046191d98c900b61b78c17 Mon Sep 17 00:00:00 2001
-From: Dan Yeaw <dan@yeaw.me>
-Date: Sat, 4 Apr 2026 15:46:25 -0400
-Subject: [PATCH] Fix dulwich porcelain API
-
----
- gaphor/storage/tests/fixtures.py | 6 ++++--
- 1 file changed, 4 insertions(+), 2 deletions(-)
-
-diff --git a/gaphor/storage/tests/fixtures.py b/gaphor/storage/tests/fixtures.py
-index d071e4556f..4dd0c60bf1 100644
---- a/gaphor/storage/tests/fixtures.py
-+++ b/gaphor/storage/tests/fixtures.py
-@@ -16,11 +16,13 @@ def commit_all(message):
-     main_ref = commit_all("Initial commit")
- 
-     porcelain.branch_create(repo, "branch")
--    porcelain.checkout_branch(repo, "branch")
-+    porcelain.switch(repo, "branch")
-     filename.write_text(their_text, encoding="utf-8")
-     branch_oid = commit_all("Branch commit")
- 
--    porcelain.checkout_branch(repo, main_ref)
-+    # OID + detach=True: works when default branch is not "main" (e.g. older
-+    # Dulwich uses "master"); "git merge" still runs on HEAD.
-+    porcelain.switch(repo, main_ref, detach=True)
-     filename.write_text(our_text, encoding="utf-8")
-     commit_all("Second commit")
- 
diff --git a/pkgs/by-name/ga/gaphor/package.nix b/pkgs/by-name/ga/gaphor/package.nix
index 6922fc74d7b8..c7fbcfed9c7e 100644
--- a/pkgs/by-name/ga/gaphor/package.nix
+++ b/pkgs/by-name/ga/gaphor/package.nix
@@ -13,22 +13,16 @@
 }:
 python3Packages.buildPythonApplication (finalAttrs: {
   pname = "gaphor";
-  version = "3.2.0";
+  version = "3.3.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "gaphor";
     repo = "gaphor";
     tag = finalAttrs.version;
-    hash = "sha256-0Z0RFQrN2g0beV2konZBfMroeNtbT+sPRsWlRvQFYBk=";
+    hash = "sha256-bgcri0mgFKz4jtGJSWtlStS3f4FzYH+ZPE1BsK+S1DI=";
   };
 
-  patches = [
-    # from https://github.com/gaphor/gaphor/pull/4236
-    # please remove after next update
-    ./fix-dulwich-api.patch
-  ];
-
   pythonRelaxDeps = [
     "pydot"
     "pygobject"