more WORKSPACE friendly way to achieve it

BUILD

@@ -1,4 +1,3 @@
-load("@python_versions//3.8:defs.bzl", compile_pip_requirements_3_8 = "compile_pip_requirements")
 load("@rules_python//python/pip_install:requirements.bzl", "compile_pip_requirements")
 load("//:deps.bzl", "ARCHS")
 
@@ -22,16 +21,3 @@ compile_pip_requirements(
     requirements_txt = "requirements.txt",
     tags = ["manual"],
 )
-
-compile_pip_requirements_3_8(
-    name = "requirements_3_8",
-    timeout = "moderate",
-    extra_args = [
-        "--resolver=backtracking",
-        "--strip-extras",
-        "--upgrade",
-    ],
-    requirements_in = "requirements.in",
-    requirements_txt = "requirements_lock_3_8.txt",
-    tags = ["manual"],
-)

MODULE.bazel

@@ -23,32 +23,32 @@ use_repo(
 
 register_toolchains("//appimage:all")
 
-pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip")
-pip.parse(
-    hub_name = "rules_appimage_py_deps",
-    python_version = "3.11",
-    requirements_lock = "//:requirements.txt",
-)
-
-pip.parse(
-    hub_name = "rules_appimage_py_deps",
-    python_version = "3.8",
-    requirements_lock = "//:requirements_lock_3_8.txt",
-)
-
-use_repo(pip, "rules_appimage_py_deps")
+PYTHON_VERSIONS = [
+    "3.8",
+    "3.9",
+    "3.10",
+    "3.11",
+]
 
-PYTHON_NAME_38 = "python_3_8"
-PYTHON_NAME_311 = "python_3_11"
 python = use_extension("@rules_python//python/extensions:python.bzl", "python")
-use_repo(python, PYTHON_NAME_38, PYTHON_NAME_311, "python_versions")
 
-python.toolchain(
-    is_default = True,
-    python_version = "3.11",
-)
+[
+    python.toolchain(
+        is_default = python_version == PYTHON_VERSIONS[-1],
+        python_version = python_version,
+    )
+    for python_version in PYTHON_VERSIONS
+]
 
-python.toolchain(
-    python_version = "3.8",
-)
+pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip")
+
+[
+    pip.parse(
+        hub_name = "dep_bazelizer_deps",
+        python_version = python_version,
+        requirements_lock = "//:requirements.txt",
+    )
+    for python_version in PYTHON_VERSIONS
+]
 
+use_repo(pip, "dep_bazelizer_deps")