diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 864edb22..6822f790 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -61,7 +61,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ['3.10', '3.11']
-        typedoc-version: ['0.20', '0.21', '0.22', '0.23', '0.24', '0.25']
+        typedoc-version: ['0.22', '0.23', '0.24', '0.25']
         experimental: [false]
 
     name: Python ${{ matrix.python-version}} + typedoc ${{ matrix.typedoc-version }}
diff --git a/noxfile.py b/noxfile.py
index d4253fd9..53d29829 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -7,12 +7,17 @@
 @nox.session(python=["3.10", "3.11"])
 def tests(session: Session) -> None:
     session.install("-r", "requirements_dev.txt")
-    session.run("npm", "i", "--no-save", "jsdoc@4.0.0", "typedoc@0.20", external=True)
+    venvroot = Path(session.bin).parent
+    (venvroot / "node_modules").mkdir()
+    with session.chdir(venvroot):
+        session.run(
+            "npm", "i", "--no-save", "jsdoc@4.0.0", "typedoc@0.25", external=True
+        )
     session.run("pytest", "--junitxml=test-results.xml")
 
 
-@nox.session(python=["3.10", "3.11"])
-@nox.parametrize("typedoc", ["0.20", "0.21", "0.22", "0.23", "0.24", "0.25"])
+@nox.session(python=["3.11"])
+@nox.parametrize("typedoc", ["0.22", "0.23", "0.24", "0.25"])
 def test_typedoc(session: Session, typedoc: str) -> None:
 
     session.install("-r", "requirements_dev.txt")
diff --git a/sphinx_js/typedoc.py b/sphinx_js/typedoc.py
index f52ff5a7..551180b2 100644
--- a/sphinx_js/typedoc.py
+++ b/sphinx_js/typedoc.py
@@ -25,6 +25,8 @@
 
 __all__ = ["Analyzer"]
 
+MIN_TYPEDOC_VERSION = (0, 22, 0)
+
 
 @cache
 def typedoc_version_info(typedoc: str) -> tuple[tuple[int, ...], tuple[int, ...]]:
@@ -41,6 +43,10 @@ def typedoc_version_info(typedoc: str) -> tuple[tuple[int, ...], tuple[int, ...]
     return typedoc_version, typescript_version
 
 
+def version_to_str(t: Sequence[int]) -> str:
+    return ".".join(str(x) for x in t)
+
+
 def typedoc_output(
     abs_source_paths: list[str], sphinx_conf_dir: str | pathlib.Path, config_path: str
 ) -> "Project":
@@ -48,14 +54,18 @@ def typedoc_output(
     paths."""
     typedoc = search_node_modules("typedoc", "typedoc/bin/typedoc", sphinx_conf_dir)
     typedoc_version, _ = typedoc_version_info(typedoc)
+    if typedoc_version < MIN_TYPEDOC_VERSION:
+        raise RuntimeError(
+            f"Typedoc version {version_to_str(typedoc_version)} is too old, minimum required is {version_to_str(MIN_TYPEDOC_VERSION)}"
+        )
+
     command = Command("node")
     os.environ["TYPEDOC_NODE_MODULES"] = str(Path(typedoc).parents[2])
     if typedoc_version >= (0, 24, 0):
         command.add(str(Path(__file__).parent / "typedoc_0.24.mjs"))
     else:
         command.add(typedoc)
-    if typedoc_version >= (0, 22, 0):
-        command.add("--entryPointStrategy", "expand")
+    command.add("--entryPointStrategy", "expand")
 
     if config_path:
         tsconfig_path = str((Path(sphinx_conf_dir) / config_path).absolute())
@@ -657,8 +667,7 @@ def to_ir(
 class OtherNode(NodeBase):
     kindString: Literal[
         "Enumeration",
-        "Enumeration Member",  # M changed to uppercase in version 0.22
-        "Enumeration member",
+        "Enumeration Member",
         "Namespace",
         "Type alias",
         "Reference",