diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 373c87f..f0ae576 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
           # https://community.chocolatey.org/packages/pelles-c#versionhistory
           - "12.0.2"
           - "11.0.2"
-          # - "10.0.6"
+          - "10.0.6"
           - "9.00.0.0"
           # - "8.00.0.0" ## Installation times out.
     steps:
diff --git a/hedley.h b/hedley.h
index 30d56b3..b263e47 100644
--- a/hedley.h
+++ b/hedley.h
@@ -1063,7 +1063,13 @@
 #  define HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__))
 #elif \
   HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \
-  HEDLEY_PELLES_VERSION_CHECK(6,50,0) || \
+  ( \
+    HEDLEY_PELLES_VERSION_CHECK(6,50,0) && \
+    !( \
+      HEDLEY_PELLES_VERSION_CHECK(9,0,0) && \
+      !HEDLEY_PELLES_VERSION_CHECK(11,0,0) \
+    ) \
+  ) || \
   HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
 #  define HEDLEY_DEPRECATED(since) __declspec(deprecated)
 #  define HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated)