diff --git a/crates/ruff_python_stdlib/src/sys/known_stdlib.rs b/crates/ruff_python_stdlib/src/sys/known_stdlib.rs
index 6a991c4858..7c08ebe800 100644
--- a/crates/ruff_python_stdlib/src/sys/known_stdlib.rs
+++ b/crates/ruff_python_stdlib/src/sys/known_stdlib.rs
@@ -519,6 +519,7 @@ pub fn is_known_standard_library(minor_version: u8, module: &str) -> bool {
                 | "_testsinglephase"
                 | "_tokenize"
                 | "_typing"
+                | "_wmi"
                 | "_xxinterpchannels"
                 | "_xxsubinterpreters"
                 | "_zoneinfo"
@@ -567,6 +568,7 @@ pub fn is_known_standard_library(minor_version: u8, module: &str) -> bool {
                 | "_statistics"
                 | "_suggestions"
                 | "_sysconfig"
+                | "_testcapi_datetime"
                 | "_testclinic"
                 | "_testclinic_limited"
                 | "_testexternalinspection"
@@ -575,6 +577,7 @@ pub fn is_known_standard_library(minor_version: u8, module: &str) -> bool {
                 | "_testsinglephase"
                 | "_tokenize"
                 | "_typing"
+                | "_wmi"
                 | "_zoneinfo"
                 | "graphlib"
                 | "tomllib"