diff --git a/Dolphin scripts/Entrance Randomizer/lib/graph_creation.py b/Dolphin scripts/Entrance Randomizer/lib/graph_creation.py
index b42fde5..edc9e9e 100644
--- a/Dolphin scripts/Entrance Randomizer/lib/graph_creation.py	
+++ b/Dolphin scripts/Entrance Randomizer/lib/graph_creation.py	
@@ -128,8 +128,7 @@ def create_graphml(
     seed_string: SeedType,
     starting_area: int,
 ):
-    # In Python 3.9 this can be simplified to |
-    all_transitions = {**transitions_map, **{item: item for item in temp_disabled_exits}}
+    all_transitions = dict(transitions_map) | {item: item for item in temp_disabled_exits}
 
     graphml_text = (
         '<?xml version="1.0" encoding="UTF-8"?>'
diff --git a/Dolphin scripts/Entrance Randomizer/newsfragments/67.removal.md b/Dolphin scripts/Entrance Randomizer/newsfragments/67.removal.md
new file mode 100644
index 0000000..87bbc8b
--- /dev/null
+++ b/Dolphin scripts/Entrance Randomizer/newsfragments/67.removal.md	
@@ -0,0 +1 @@
+Update expected Python version for the randomizer to `3.11`. This means the Dolphin version has to be at least <https://github.com/Felk/dolphin/releases/tag/scripting-preview3>
diff --git a/pyproject.toml b/pyproject.toml
index e18c699..5d7f673 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,11 +2,14 @@
 # https://github.com/BesLogic/shared-configs/blob/main/ruff.toml
 # Modifications to this file that are not project-specific should also be done upstream.
 # These configs were last updated for ruff==0.3.7
+
 # https://docs.astral.sh/ruff/configuration/
 [tool.ruff]
 line-length = 100
 preview = true
-target-version = "py38" # Change this to the oldest supported version by your application
+# Change this to the oldest supported version by your application
+# (same as https://github.com/Felk/dolphin/releases/tag/scripting-preview3 )
+target-version = "py311"
 # Exclude auto-generated files
 # exclude = [""]
 
@@ -78,6 +81,12 @@ ignore = [
   # False-positives
   "TCH004", # https://github.com/astral-sh/ruff/issues/3821
 
+  ###
+  # Conflict with formatter (you can remove this section if you don't use Ruff as a formatter)
+  ###
+  # "COM812", # missing-trailing-comma
+  # "ISC001", # single-line-implicit-string-concatenation
+
   ###
   # Specific to this project
   ###
@@ -171,9 +180,9 @@ per_file_ignores = ["*.pyi: E302"]
 
 # https://github.com/microsoft/pyright/blob/main/docs/configuration.md#sample-pyprojecttoml-file
 [tool.pyright]
-# Minimal python version supported
 extraPaths = ["Dolphin scripts/typings"]
-pythonVersion = "3.8"
+# Minimal python version supported (same as https://github.com/Felk/dolphin/releases/tag/scripting-preview3 )
+pythonVersion = "3.11"
 typeCheckingMode = "strict"
 # Extra strict
 reportCallInDefaultInitializer = "error"